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    Jennifer B Unger, PhD

    TitleProfessor of Preventive Medicine
    SchoolKeck School of Medicine of USC
    DepartmentInstitute for Health Promotion & Disease Prevention
    AddressSSB 302 2001 N. Soto Street
    Health Sciences Campus
    Los Angeles California 90033
    Phone+1 323 442 8234
    Emailunger@usc.edu
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      Collapse Overview 
      Collapse Overview
      Dr. Unger is a Professor of Preventive Medicine. Her research interests include psychological, social, and cultural influences on health-risk and health-protective behaviors in diverse populations.


      Collapse Biography 
      Collapse Education and Training
      University of Southern California, Los Angeles, CAPh.D.1996Preventive Medicine / Health Behavior Research
      Johns Hopkins University, Baltimore, MDBA1991Behavioral Biology
      Collapse Awards and Honors
      Jacobs Institute of Women's Health1997 Ortho Pharmaceutical Scholar in Women's Health
      University of Southern California1998Southern California Studies Center Junior Faculty Award for Research on Southern California
      APHAJay Drotman Award
      Fellow of the American Academy of Health Behavior

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      Collapse Featured Publications
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      Collapse In The News

      Collapse Bibliographic 
      Collapse Publications
      Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help.
      List All   |   Timeline
      1. Allem JP, Chu KH, Cruz TB, Unger J. Waterpipe Promotion and Use on Instagram: #Hookah. Nicotine Tob Res. 2017 Oct 01; 19(10):1248-1252. PMID: 28077449.
        View in: PubMed
      2. Lorenzo-Blanco EI, Meca A, Piña-Watson B, Zamboanga BL, Szapocznik J, Cano MÁ, Cordova D, Unger J, Romero A, Des Rosiers SE, Soto DW, Villamar JA, Pattarroyo M, Lizzi KM, Schwartz SJ. Longitudinal Trajectories of Family Functioning Among Recent Immigrant Adolescents and Parents: Links With Adolescent and Parent Cultural Stress, Emotional Well-Being, and Behavioral Health. Child Dev. 2017 Aug 18. PMID: 28832973.
        View in: PubMed
      3. Tobin J, Allem JP, Slaughter R, Unger J, Hamilton AS, Milam JE. Posttraumatic growth among childhood cancer survivors: Associations with ethnicity, acculturation, and religious service attendance. J Psychosoc Oncol. 2017 Aug 17; 0. PMID: 28816639.
        View in: PubMed
      4. Soneji S, Barrington-Trimis JL, Wills TA, Leventhal AM, Unger J, Gibson LA, Yang J, Primack BA, Andrews JA, Miech RA, Spindle TR, Dick DM, Eissenberg T, Hornik RC, Dang R, Sargent JD. Association Between Initial Use of e-Cigarettes and Subsequent Cigarette Smoking Among Adolescents and Young Adults: A Systematic Review and Meta-analysis. JAMA Pediatr. 2017 Aug 01; 171(8):788-797. PMID: 28654986.
        View in: PubMed
      5. Allem JP, Escobedo P, Chu KH, Boley Cruz T, Unger J. Images of Little Cigars and Cigarillos on Instagram Identified by the Hashtag #swisher: Thematic Analysis. J Med Internet Res. 2017 Jul 14; 19(7):e255. PMID: 28710057.
        View in: PubMed
      6. Escobedo P, Allem JP, Baezconde-Garbanati L, Unger J. Cultural values associated with substance use among Hispanic emerging adults in Southern California. Addict Behav. 2017 Jul 14. PMID: 28755765.
        View in: PubMed
      7. Leventhal AM, Urman R, Barrington-Trimis JL, Goldenson NI, Gallegos K, Chou CP, Wang K, Berhane K, Cruz TB, Pentz MA, Unger J, McConnell RS. Perceived stress and poly-tobacco product use across adolescence: Patterns of association and gender differences. J Psychiatr Res. 2017 Nov; 94:172-179. PMID: 28738287.
        View in: PubMed
      8. Leventhal AM, Cho J, Stone MD, Barrington-Trimis JL, Chou CP, Sussman SY, Riggs NR, Unger J, Audrain-McGovern J, Strong DR. Associations between anhedonia and marijuana use escalation across mid-adolescence. Addiction. 2017 Jun 17. PMID: 28623880.
        View in: PubMed
      9. Booker CL, Rieger G, Unger J. Sexual orientation health inequality: Evidence from Understanding Society, the UK Longitudinal Household Study. Prev Med. 2017 Aug; 101:126-132. PMID: 28601620.
        View in: PubMed
      10. O'Reilly GA, Black DS, Huh J, Davis JN, Unger J, Spruijt-Metz D. Sugar Restriction Leads to Increased Ad Libitum Sugar Intake by Overweight Adolescents in an Experimental Test Meal Setting. J Acad Nutr Diet. 2017 Jul; 117(7):1041-1048. PMID: 28527746.
        View in: PubMed
      11. Tsai JY, Bluthenthal R, Allem JP, Garcia R, Garcia J, Unger J, Baezconde-Garbanati L, Sussman SY. Vape shop retailers' perceptions of their customers, products and services: A content analysis. Tob Prev Cessat. 2016; 2(Suppl). PMID: 28736758.
        View in: PubMed
      12. Carlson M, Vigen CL, Rubayi S, Blanche EI, Blanchard J, Atkins M, Bates-Jensen B, Garber SL, Pyatak EA, Diaz J, Florindez LI, Hay JW, Mallinson T, Unger J, Azen SP, Scott M, Cogan A, Clark F. Lifestyle intervention for adults with spinal cord injury: Results of the USC-RLANRC Pressure Ulcer Prevention Study. J Spinal Cord Med. 2017 Apr 17; 1-18. PMID: 28414254.
        View in: PubMed
      13. McConnell R, Barrington-Trimis JL, Wang K, Urman R, Hong H, Unger J, Samet J, Leventhal A, Berhane K. Electronic Cigarette Use and Respiratory Symptoms in Adolescents. Am J Respir Crit Care Med. 2017 Apr 15; 195(8):1043-1049. PMID: 27806211.
        View in: PubMed
      14. Grest CV, Amaro H, Unger J. Longitudinal Predictors of Intimate Partner Violence Perpetration and Victimization in Latino Emerging Adults. J Youth Adolesc. 2017 Apr 05. PMID: 28382461.
        View in: PubMed
      15. Schwartz SJ, Unger J, Meca A, Lorenzo-Blanco EI, Baezconde-Garbanati L, Cano MÁ, Piña-Watson B, Szapocznik J, Zamboanga BL, Córdova D, Romero AJ, Lee TK, Soto DW, Villamar JA, Lizzi KM, Des Rosiers SE, Pattarroyo M. Erratum to: Personal Identity Development in Hispanic Immigrant Adolescents: Links with Positive Psychosocial Functioning, Depressive Symptoms, and Externalizing Problems. J Youth Adolesc. 2017 Apr; 46(4):914-915. PMID: 28032315.
        View in: PubMed
      16. Lienemann BA, Unger J, Cruz TB, Chu KH. Methods for Coding Tobacco-Related Twitter Data: A Systematic Review. J Med Internet Res. 2017 Mar 31; 19(3):e91. PMID: 28363883.
        View in: PubMed
      17. Forster M, Grigsby TJ, Soto DW, Sussman SY, Unger J. Perceived Discrimination, Cultural Identity Development, and Intimate Partner Violence Among a Sample of Hispanic Young Adults. Cultur Divers Ethnic Minor Psychol. 2017 Mar 23. PMID: 28333477.
        View in: PubMed
      18. Ayers JW, Leas EC, Allem JP, Benton A, Dredze M, Althouse BM, Cruz TB, Unger J. Why do people use electronic nicotine delivery systems (electronic cigarettes)? A content analysis of Twitter, 2012-2015. PLoS One. 2017; 12(3):e0170702. PMID: 28248987.
        View in: PubMed
      19. Meca A, Sabet RF, Farrelly CM, Benitez CG, Schwartz SJ, Gonzales-Backen M, Lorenzo-Blanco EI, Unger J, Zamboanga BL, Baezconde-Garbanati L, Picariello S, Des Rosiers SE, Soto DW, Pattarroyo M, Villamar JA, Lizzi KM. Personal and cultural identity development in recently immigrated Hispanic adolescents: Links with psychosocial functioning. Cultur Divers Ethnic Minor Psychol. 2017 Jul; 23(3):348-361. PMID: 28206778.
        View in: PubMed
      20. Rendón AD, Unger J, Cruz T, Soto DW, Baezconde-Garbanati L. Perceptions of Secondhand and Thirdhand Smoke Among Hispanic Residents of Multiunit Housing. J Immigr Minor Health. 2017 Feb; 19(1):162-169. PMID: 26545600.
        View in: PubMed
      21. Garcia R, Allem JP, Baezconde-Garbanati L, Unger J, Sussman S. Employee and customer handling of nicotine-containing e-liquids in vape shops. Tob Prev Cessat. 2016; 2(Suppl). PMID: 28660255.
        View in: PubMed
      22. Miller KA, Huh J, Unger J, Richardson JL, Allen MW, Peng DH, Cockburn MG. Correlates of sun protection behaviors among Hispanic children residing in a high UVR environment. Photodermatol Photoimmunol Photomed. 2017 Mar; 33(2):75-83. PMID: 27995652.
        View in: PubMed
      23. Koops van 't Jagt R, Hoeks JCJ, Duizer E, Baron M, Molina GB, Unger J, Jansen CJM. Sweet Temptations: How Does Reading a Fotonovela About Diabetes Affect Dutch Adults with Different Levels of Literacy? Health Commun. 2017 Jan 17; 1-7. PMID: 28094559.
        View in: PubMed
      24. Delgado-Rendon A, Cruz TB, Soto D, Baezconde-Garbanati L, Unger J. Second and Thirdhand Smoke Exposure, Attitudes and Protective Practices: Results from a Survey of Hispanic Residents in Multi-unit Housing. J Immigr Minor Health. 2017 Jan 10. PMID: 28074306.
        View in: PubMed
      25. Kirkpatrick MG, Cruz TB, Goldenson NI, Allem JP, Chu KH, Pentz MA, Unger J. Electronic cigarette retailers use Pokémon Go to market products. Tob Control. 2017 Jan 02. PMID: 28044010.
        View in: PubMed
      26. Schwartz SJ, Unger J, Meca A, Lorenzo-Blanco EI, Baezconde-Garbanati L, Cano MÁ, Piña-Watson B, Szapocznik J, Zamboanga BL, Córdova D, Romero AJ, Lee TK, Soto DW, Villamar JA, Lizzi KM, Des Rosiers SE, Pattarroyo M. Personal Identity Development in Hispanic Immigrant Adolescents: Links with Positive Psychosocial Functioning, Depressive Symptoms, and Externalizing Problems. J Youth Adolesc. 2017 Apr; 46(4):898-913. PMID: 27882458.
        View in: PubMed
      27. Lorenzo-Blanco EI, Meca A, Unger J, Romero A, Gonzales-Backen M, Piña-Watson B, Cano MÁ, Zamboanga BL, Des Rosiers SE, Soto DW, Villamar JA, Lizzi KM, Pattarroyo M, Schwartz SJ. Latino parent acculturation stress: Longitudinal effects on family functioning and youth emotional and behavioral health. J Fam Psychol. 2016 Dec; 30(8):966-976. PMID: 27819441.
        View in: PubMed
      28. Lorenzo-Blanco EI, Meca A, Unger J, Romero A, Szapocznik J, Piña-Watson B, Cano MÁ, Zamboanga BL, Baezconde-Garbanati L, Des Rosiers SE, Soto DW, Villamar JA, Lizzi KM, Pattarroyo M, Schwartz SJ. Longitudinal Effects of Latino Parent Cultural Stress, Depressive Symptoms, and Family Functioning on Youth Emotional Well-Being and Health Risk Behaviors. Fam Process. 2016 Oct 23. PMID: 27774629.
        View in: PubMed
      29. Cerrada CJ, Unger J, Huh J. Correlates of Perceived Smoking Prevalence Among Korean American Emerging Adults. J Immigr Minor Health. 2016 Oct; 18(5):1183-9. PMID: 27075031; PMCID: PMC4972638 [Available on 10/01/17].
      30. Chu KH, Allem JP, Cruz TB, Unger J. Vaping on Instagram: cloud chasing, hand checks and product placement. Tob Control. 2016 Sep; 26(5):575-578. PMID: 27660111.
        View in: PubMed
      31. Lam CN, Goldenson NI, Burner E, Unger J. Cultural buffering as a protective factor against electronic cigarette use among Hispanic emergency department patients. Addict Behav. 2016 Dec; 63:155-60. PMID: 27513593.
        View in: PubMed
      32. Allem JP, Sussman S, Unger J. The Revised Inventory of the Dimensions of Emerging Adulthood (IDEA-R) and Substance Use Among College Students. Eval Health Prof. 2016 Jul 27. PMID: 27468859.
        View in: PubMed
      33. Barrington-Trimis JL, Urman R, Leventhal AM, Gauderman WJ, Cruz TB, Gilreath TD, Howland S, Unger J, Berhane K, Samet JM, McConnell R. E-cigarettes, Cigarettes, and the Prevalence of Adolescent Tobacco Use. Pediatrics. 2016 Aug; 138(2). PMID: 27401102; PMCID: PMC4960723 [Available on 08/01/17].
      34. Barrington-Trimis JL, Urman R, Berhane K, Unger J, Cruz TB, Pentz MA, Samet JM, Leventhal AM, McConnell R. E-Cigarettes and Future Cigarette Use. Pediatrics. 2016 Jul; 138(1). PMID: 27296866; PMCID: PMC4925085 [Available on 07/01/17].
      35. Sussman S, Allem JP, Garcia J, Unger J, Cruz TB, Garcia R, Baezconde-Garbanati L. Who walks into vape shops in Southern California?: a naturalistic observation of customers. Tob Induc Dis. 2016; 14:18. PMID: 27231480; PMCID: PMC4880826.
      36. Lorenzo-Blanco EI, Schwartz SJ, Unger J, Zamboanga BL, Des Rosiers SE, Baezconde-Garbanati L, Huang S, Villamar JA, Soto D, Pattarroyo M. Alcohol use among recent immigrant Latino/a youth: acculturation, gender, and the Theory of Reasoned Action. Ethn Health. 2016 Dec; 21(6):609-27. PMID: 27220730.
        View in: PubMed
      37. Córdova D, Schwartz SJ, Unger J, Baezconde-Garbanati L, Villamar JA, Soto DW, Des Rosiers SE, Lee TK, Meca A, Cano MÁ, Lorenzo-Blanco EI, Oshri A, Salas-Wright CP, Piña-Watson B, Romero AJ. A Longitudinal Test of the Parent-Adolescent Family Functioning Discrepancy Hypothesis: A Trend toward Increased HIV Risk Behaviors Among Immigrant Hispanic Adolescents. J Youth Adolesc. 2016 Oct; 45(10):2164-77. PMID: 27216199; PMCID: PMC5021559 [Available on 10/01/17].
      38. Unger J, Barker D, Baezconde-Garbanati L, Soto DW, Sussman S. Support for electronic cigarette regulations among California voters. Tob Control. 2017 May; 26(3):334-337. PMID: 27207853.
        View in: PubMed
      39. Dangerfield DT, Smith LR, Williams J, Unger J, Bluthenthal R. Sexual Positioning Among Men Who Have Sex With Men: A Narrative Review. Arch Sex Behav. 2017 May; 46(4):869-884. PMID: 27178171.
        View in: PubMed
      40. Barrington-Trimis JL, Berhane K, Unger J, Cruz TB, Urman R, Chou CP, Howland S, Wang K, Pentz MA, Gilreath TD, Huh J, Leventhal AM, Samet JM, McConnell R. The E-cigarette Social Environment, E-cigarette Use, and Susceptibility to Cigarette Smoking. J Adolesc Health. 2016 Jul; 59(1):75-80. PMID: 27161417; PMCID: PMC4920702 [Available on 07/01/17].
      41. Allem JP, Unger J. Emerging adulthood themes and hookah use among college students in Southern California. Addict Behav. 2016 Oct; 61:16-9. PMID: 27208879; PMCID: PMC4915989 [Available on 10/01/17].
      42. Pokhrel P, Fagan P, Herzog TA, Chen Q, Muranaka N, Kehl L, Unger J. E-cigarette advertising exposure and implicit attitudes among young adult non-smokers. Drug Alcohol Depend. 2016 Jun 01; 163:134-40. PMID: 27125661.
        View in: PubMed
      43. Unger J, Soto DW, Leventhal A. E-cigarette use and subsequent cigarette and marijuana use among Hispanic young adults. Drug Alcohol Depend. 2016 Jun 01; 163:261-4. PMID: 27141841.
        View in: PubMed
      44. Sussman S, Chou CP, Pang RD, Kirkpatrick M, Guillot CR, Stone M, Khoddam R, Riggs NR, Unger J, Leventhal AM. Social Self-Control Is a Statistically Nonredundant Correlate of Adolescent Substance Use. Subst Use Misuse. 2016 May 11; 51(6):788-94. PMID: 27070833; PMCID: PMC4848138 [Available on 05/11/17].
      45. Unger J, Escobedo P, Allem JP, Soto DW, Chu KH, Cruz T. Perceptions of Secondhand E-Cigarette Aerosol Among Twitter Users. Tob Regul Sci. 2016 Apr; 2(2):146-152. PMID: 28090560.
        View in: PubMed
      46. Allem JP, Escobedo P, Chu KH, Soto DW, Cruz TB, Unger J. Campaigns and counter campaigns: reactions on Twitter to e-cigarette education. Tob Control. 2017 Mar; 26(2):226-229. PMID: 26956467.
        View in: PubMed
      47. Allem JP, Sussman S, Soto DW, Baezconde-Garbanati L, Unger J. Role transitions and substance use among Hispanic emerging adults: A longitudinal study using coarsened exact matching. Addict Behav. 2016 Jul; 58:95-9. PMID: 26921724; PMCID: PMC4808344 [Available on 07/01/17].
      48. Grigsby TJ, Forster M, Unger J, Sussman S. Predictors of alcohol-related negative consequences in adolescents: A systematic review of the literature and implications for future research. J Adolesc. 2016 Apr; 48:18-35. PMID: 26871952; PMCID: PMC4779657 [Available on 04/01/17].
      49. Grigsby TJ, Forster M, Soto DW, Unger J. Changes in the strength of peer influence and cultural factors on substance use initiation between late adolescence and emerging adulthood in a Hispanic sample. J Ethn Subst Abuse. 2017 Apr-Jun; 16(2):137-154. PMID: 26822557.
        View in: PubMed
      50. Lorenzo-Blanco EI, Unger J, Oshri A, Baezconde-Garbanati L, Soto D. Profiles of bullying victimization, discrimination, social support, and school safety: Links with Latino/a youth acculturation, gender, depressive symptoms, and cigarette use. Am J Orthopsychiatry. 2016 Jan; 86(1):37-48. PMID: 26752445.
        View in: PubMed
      51. Chu KH, Unger J, Allem JP, Pattarroyo M, Soto D, Cruz TB, Yang H, Jiang L, Yang CC. Diffusion of Messages from an Electronic Cigarette Brand to Potential Users through Twitter. PLoS One. 2015; 10(12):e0145387. PMID: 26684746; PMCID: PMC4694088.
      52. Davis AN, Carlo G, Schwartz SJ, Unger J, Zamboanga BL, Lorenzo-Blanco EI, Cano MÁ, Baezconde-Garbanati L, Oshri A, Streit C, Martinez MM, Piña-Watson B, Lizzi K, Soto D. The Longitudinal Associations Between Discrimination, Depressive Symptoms, and Prosocial Behaviors in U.S. Latino/a Recent Immigrant Adolescents. J Youth Adolesc. 2016 Mar; 45(3):457-70. PMID: 26597783.
        View in: PubMed
      53. Leventhal AM, Strong DR, Sussman S, Kirkpatrick MG, Unger J, Barrington-Trimis JL, Audrain-McGovern J. Psychiatric comorbidity in adolescent electronic and conventional cigarette use. J Psychiatr Res. 2016 Feb; 73:71-8. PMID: 26688438; PMCID: PMC4738156 [Available on 02/01/17].
      54. Gilreath TD, Leventhal A, Barrington-Trimis JL, Unger J, Cruz TB, Berhane K, Huh J, Urman R, Wang K, Howland S, Pentz MA, Chou CP, McConnell R. Patterns of Alternative Tobacco Product Use: Emergence of Hookah and E-cigarettes as Preferred Products Amongst Youth. J Adolesc Health. 2016 Feb; 58(2):181-5. PMID: 26598059; PMCID: PMC4963235 [Available on 02/01/17].
      55. Allem JP, Unger J, Garcia R, Baezconde-Garbanati L, Sussman S. Tobacco Attitudes and Behaviors of Vape Shop Retailers in Los Angeles. Am J Health Behav. 2015 Nov; 39(6):794-8. PMID: 26450547; PMCID: PMC5020702 [Available on 11/01/16].
      56. Unger J, Soto DW, Baezconde-Garbanati L. Trajectories of perceived discrimination from adolescence to emerging adulthood and substance use among Hispanic youth in Los Angeles. Addict Behav. 2016 Feb; 53:108-12. PMID: 26477013.
        View in: PubMed
      57. Miller KA, Huh J, Unger J, Richardson JL, Allen MW, Peng DH, Cockburn MG. Patterns of sun protective behaviors among Hispanic children in a skin cancer prevention intervention. Prev Med. 2015 Dec; 81:303-8. PMID: 26436682.
        View in: PubMed
      58. Andreeva VA, Unger J. Determinants of Host Society Acculturation and Its Relationship with Health Behaviors and Outcomes: A New Research and Intervention Framework. J Immigr Minor Health. 2015 Oct; 17(5):1420-6. PMID: 25225079.
        View in: PubMed
      59. Unger J. E-Cigarettes: Introducing New Complexities and Controversies to the Field of Nicotine and Tobacco Research. Nicotine Tob Res. 2015 Oct; 17(10):1185-6. PMID: 26400902.
        View in: PubMed
      60. Hsu HT, Wenzel S, Rice E, Gilreath TD, Kurzban S, Unger J. Understanding Consistent Condom Use Among Homeless Men Who Have Sex with Women and Engage in Multiple Sexual Partnerships: A Path Analysis. AIDS Behav. 2015 Sep; 19(9):1676-88. PMID: 25845531.
        View in: PubMed
      61. Cano MÁ, Schwartz SJ, Castillo LG, Unger J, Huang S, Zamboanga BL, Romero AJ, Lorenzo-Blanco EI, Córdova D, Des Rosiers SE, Lizzi KM, Baezconde-Garbanati L, Soto DW, Villamar JA, Pattarroyo M, Szapocznik J. Health risk behaviors and depressive symptoms among Hispanic adolescents: Examining acculturation discrepancies and family functioning. J Fam Psychol. 2016 Mar; 30(2):254-65. PMID: 26301514; PMCID: PMC4766064 [Available on 03/01/17].
      62. Lorenzo-Blanco EI, Unger J. Ethnic Discrimination, Acculturative Stress, and Family Conflict as Predictors of Depressive Symptoms and Cigarette Smoking Among Latina/o Youth: The Mediating Role of Perceived Stress. J Youth Adolesc. 2015 Oct; 44(10):1984-97. PMID: 26294041.
        View in: PubMed
      63. Leventhal AM, Strong DR, Kirkpatrick MG, Unger J, Sussman S, Riggs NR, Stone MD, Khoddam R, Samet JM, Audrain-McGovern J. Association of Electronic Cigarette Use With Initiation of Combustible Tobacco Product Smoking in Early Adolescence. JAMA. 2015 Aug 18; 314(7):700-7. PMID: 26284721; PMCID: PMC4771179.
      64. Barrington-Trimis JL, Berhane K, Unger J, Cruz TB, Huh J, Leventhal AM, Urman R, Wang K, Howland S, Gilreath TD, Chou CP, Pentz MA, McConnell R. Psychosocial Factors Associated With Adolescent Electronic Cigarette and Cigarette Use. Pediatrics. 2015 Aug; 136(2):308-17. PMID: 26216326; PMCID: PMC4516947.
      65. Schwartz SJ, Unger J, Baezconde-Garbanati L, Benet-Martínez V, Meca A, Zamboanga BL, Lorenzo-Blanco EI, Des Rosiers SE, Oshri A, Sabet RF, Soto DW, Pattarroyo M, Huang S, Villamar JA, Lizzi KM, Szapocznik J. Longitudinal trajectories of bicultural identity integration in recently immigrated Hispanic adolescents: Links with mental health and family functioning. Int J Psychol. 2015 Dec; 50(6):440-50. PMID: 26212218.
        View in: PubMed
      66. Schwartz SJ, Unger J, Baezconde-Garbanati L, Zamboanga BL, Córdova D, Lorenzo-Blanco EI, Huang S, Des Rosiers SE, Soto DW, Lizzi KM, Villamar JA, Pattarroyo M, Szapocznik J. Testing the Parent-Adolescent Acculturation Discrepancy Hypothesis: A Five-Wave Longitudinal Study. J Res Adolesc. 2016 Sep; 26(3):567-586. PMID: 27616871.
        View in: PubMed
      67. Allem JP, Soto DW, Baezconde-Garbanati L, Unger J. Adverse childhood experiences and substance use among Hispanic emerging adults in Southern California. Addict Behav. 2015 Nov; 50:199-204. PMID: 26160522; PMCID: PMC4515389 [Available on 11/01/16].
      68. Allem JP, Forster M, Neiberger A, Unger J. Characteristics of emerging adulthood and e-cigarette use: Findings from a pilot study. Addict Behav. 2015 Nov; 50:40-4. PMID: 26093505; PMCID: PMC4515365 [Available on 11/01/16].
      69. Soto C, Baezconde-Garbanati L, Schwartz SJ, Unger J. Stressful life events, ethnic identity, historical trauma, and participation in cultural activities: Associations with smoking behaviors among American Indian adolescents in California. Addict Behav. 2015 Nov; 50:64-9. PMID: 26103424; PMCID: PMC4515401 [Available on 11/01/16].
      70. Leventhal AM, Bello MS, Unger J, Strong DR, Kirkpatrick MG, Audrain-McGovern J. Diminished Alternative Reinforcement as a Mechanism Underlying Socioeconomic Disparities in Adolescent Substance Use. Prev Med. 2015 Nov; 80:75-81. PMID: 26051200; PMCID: PMC4592420 [Available on 11/01/16].
      71. Sussman S, Baezconde-Garbanati L, Garcia R, Barker DC, Samet JM, Leventhal A, Unger J. Commentary: Forces That Drive the Vape Shop Industry and Implications for the Health Professions. Eval Health Prof. 2016 Sep; 39(3):379-88. PMID: 25967071; PMCID: PMC5021181.
      72. Leventhal AM, Unger J, Audrain-McGovern J, Sussman S, Volk HE, Strong DR. Measuring Anhedonia in Adolescents: A Psychometric Analysis. J Pers Assess. 2015 Sep-Oct; 97(5):506-14. PMID: 25893676; PMCID: PMC4545400.
      73. Cano MÁ, Schwartz SJ, Castillo LG, Romero AJ, Huang S, Lorenzo-Blanco EI, Unger J, Zamboanga BL, Des Rosiers SE, Baezconde-Garbanati L, Lizzi KM, Soto DW, Oshri A, Villamar JA, Pattarroyo M, Szapocznik J. Depressive symptoms and externalizing behaviors among Hispanic immigrant adolescents: Examining longitudinal effects of cultural stress. J Adolesc. 2015 Jul; 42:31-9. PMID: 25899132; PMCID: PMC4464969.
      74. Lorenzo-Blanco EI, Schwartz SJ, Unger J, Zamboanga BL, Des Rosiers SE, Huang S, Villamar JA, Soto DW, Pattarroyo M, Baezconde-Garbanati L. Latino/a Youth Intentions to Smoke Cigarettes: Exploring the Roles of Culture and Gender. J Lat Psychol. 2015 Aug; 3(3):129-142. PMID: 28042523.
        View in: PubMed
      75. Chu KH, Unger J, Cruz TB, Soto DW. Electronic Cigarettes on Twitter - Spreading the Appeal of Flavors. Tob Regul Sci. 2015 Apr; 1(1):36-41. PMID: 27853734.
        View in: PubMed
      76. Forster M, Allem JP, Mendez N, Qazi Y, Unger J. Evaluation of a telenovela designed to improve knowledge and behavioral intentions among Hispanic patients with end-stage renal disease in Southern California. Ethn Health. 2016; 21(1):58-70. PMID: 25650806.
        View in: PubMed
      77. Fagerstrom K, Etter JF, Unger J. E-cigarettes: a disruptive technology that revolutionizes our field? Nicotine Tob Res. 2015 Feb; 17(2):125-6. PMID: 25609846; PMCID: PMC4892710.
      78. Forster M, Grigsby TJ, Bunyan A, Unger J, Valente TW. The protective role of school friendship ties for substance use and aggressive behaviors among middle school students. J Sch Health. 2015 Feb; 85(2):82-9. PMID: 25564976.
        View in: PubMed
      79. Allem JP, Soto DW, Baezconde-Garbanati L, Sussman S, Unger J. Cultural and social influences on adolescent smoking dissipate by emerging adulthood among Hispanics in Southern California. J Immigr Minor Health. 2015 Feb; 17(1):192-7. PMID: 24057805; PMCID: PMC3962706.
      80. Schwartz SJ, Unger J, Baezconde-Garbanati L, Zamboanga BL, Lorenzo-Blanco EI, Des Rosiers SE, Romero AJ, Cano MÁ, Gonzales-Backen MA, Córdova D, Piña-Watson BM, Huang S, Villamar JA, Soto DW, Pattarroyo M, Szapocznik J. Trajectories of cultural stressors and effects on mental health and substance use among Hispanic immigrant adolescents. J Adolesc Health. 2015 Apr; 56(4):433-9. PMID: 25650112; PMCID: PMC4399639.
      81. Schwartz SJ, Unger J, Zamboanga BL, Córdova D, Mason CA, Huang S, Baezconde-Garbanati L, Lorenzo-Blanco EI, Des Rosiers SE, Soto DW, Villamar JA, Pattarroyo M, Lizzi KM, Szapocznik J. Developmental trajectories of acculturation: links with family functioning and mental health in recent-immigrant Hispanic adolescents. Child Dev. 2015 May-Jun; 86(3):726-48. PMID: 25644262; PMCID: PMC4429014.
      82. Allem JP, Soto D, Baezconde-Garbanati L, Unger J. The Relationship Between the Accumulated Number of Role Transitions and Hard Drug Use among Hispanic Emerging Adults. J Psychoactive Drugs. 2015 Jan-Mar; 47(1):60-4. PMID: 25715073; PMCID: PMC4341943.
      83. Unger J. Preventing Substance Use and Misuse Among Racial and Ethnic Minority Adolescents: Why Are We Not Addressing Discrimination in Prevention Programs? Subst Use Misuse. 2015; 50(8-9):952-5. PMID: 26361900.
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      84. Arpawong TE, Rohrbach LA, Milam JE, Unger J, Land H, Sun P, Spruijt-Metz D, Sussman S. Stressful Life Events and Predictors of Post-traumatic Growth among High-Risk Early Emerging Adults. J Posit Psychol. 2016 Jan 01; 11(1):1-14. PMID: 26640507.
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      85. Epstein D, Unger J, Ornelas B, Chang JC, Markovitz BP, Dodek PM, Heyland DK, Gold JI. Satisfaction with care and decision making among parents/caregivers in the pediatric intensive care unit: a comparison between English-speaking whites and Latinos. J Crit Care. 2015 Apr; 30(2):236-41. PMID: 25541103.
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      86. Cabassa LJ, Oh H, Humensky JL, Unger J, Molina GB, Baron M. Comparing the impact on Latinos of a depression brochure and an entertainment-education depression fotonovela. Psychiatr Serv. 2015 Mar 01; 66(3):313-6. PMID: 25727121; PMCID: PMC4424796.
      87. Gilreath TD, Astor RA, Estrada JN, Benbenishty R, Unger J. School victimization and substance use among adolescents in California. Prev Sci. 2014 Dec; 15(6):897-906. PMID: 24482139.
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      88. Sussman S, Garcia R, Cruz TB, Baezconde-Garbanati L, Pentz MA, Unger J. Consumers' perceptions of vape shops in Southern California: an analysis of online Yelp reviews. Tob Induc Dis. 2014; 12(1):22. PMID: 25484852; PMCID: PMC4258055.
      89. Arpawong TE, Sussman S, Milam JE, Unger J, Land H, Sun P, Rohrbach LA. Post-traumatic growth, stressful life events, and relationships with substance use behaviors among alternative high school students: a prospective study. Psychol Health. 2015; 30(4):475-94. PMID: 25346382; PMCID: PMC4297231.
      90. Pentz MA, Shin H, Riggs N, Unger J, Collison KL, Chou CP. Parent, peer, and executive function relationships to early adolescent e-cigarette use: a substance use pathway? Addict Behav. 2015 Mar; 42:73-8. PMID: 25462657; PMCID: PMC4292878.
      91. Ameringer KJ, Chou CP, Sussman S, Unger J, Leventhal AM. Identifying Shared Latent Dimensions of Psychological Symptoms: Implications for the Psychological Correlates of Smoking. J Psychopathol Behav Assess. 2015 Sep 01; 37(3):454-468. PMID: 26478654.
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      92. Riggs NR, Shin HS, Unger J, Spruijt-Metz D, Pentz MA. Prospective associations between bilingualism and executive function in Latino children: sustained effects while controlling for biculturalism. J Immigr Minor Health. 2014 Oct; 16(5):914-21. PMID: 23632808.
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      93. Oshri A, Schwartz SJ, Unger J, Kwon JA, Des Rosiers SE, Baezconde-Garbanati L, Lorenzo-Blanco EI, Córdova D, Soto DW, Lizzi KM, Villamar JA, Szapocznik J. Bicultural stress, identity formation, and alcohol expectancies and misuse in Hispanic adolescents: a developmental approach. J Youth Adolesc. 2014 Dec; 43(12):2054-68. PMID: 25218395.
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      94. Forster M, Grigsby T, Soto DW, Schwartz SJ, Unger J. The role of bicultural stress and perceived context of reception in the expression of aggression and rule breaking behaviors among recent-immigrant Hispanic youth. J Interpers Violence. 2015 Jul; 30(11):1807-27. PMID: 25210028; PMCID: PMC4501481.
      95. Tate EB, Unger J, Chou CP, Spruijt-Metz D, Pentz MA, Riggs NR. Children's executive function and high-calorie, low-nutrient food intake: mediating effects of child-perceived adult fast food intake. Health Educ Behav. 2015 Apr; 42(2):163-70. PMID: 25194147.
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      96. Schwartz SJ, Zamboanga BL, Tomaso CC, Kondo KK, Unger J, Weisskirch RS, Ham LS, Meca A, Cano MÁ, Whitbourne SK, Brittian AS, Des Rosiers SE, Hurley EA, Vazsonyi AT, Ravert RD. Association of acculturation with drinking games among Hispanic college students. Am J Drug Alcohol Abuse. 2014 Sep; 40(5):359-66. PMID: 25192203.
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      97. Epstein D, Reibel M, Unger J, Cockburn M, Escobedo LA, Kale DC, Chang JC, Gold JI. The effect of neighborhood and individual characteristics on pediatric critical illness. J Community Health. 2014 Aug; 39(4):753-9. PMID: 24488647; PMCID: PMC4443908.
      98. Basáñez T, Warren MT, Crano WD, Unger J. Perceptions of intragroup rejection and coping strategies: malleable factors affecting Hispanic adolescents’ emotional and academic outcomes. J Youth Adolesc. 2014 Aug; 43(8):1266-80. PMID: 24234042; PMCID: PMC4500113.
      99. Unger J. Special issue on culture and substance use. Subst Use Misuse. 2014 Jun; 49(8):919-21. PMID: 24779490; PMCID: PMC4500510.
      100. Unger J, Thing J, Soto DW, Baezconde-Garbanati L. Associations between ethnic labels and substance use among Hispanic/Latino adolescents in Los Angeles. Subst Use Misuse. 2014 Jun; 49(8):1007-16. PMID: 24779500; PMCID: PMC4071453.
      101. Halley Grigsby TJ, Forster M, Soto DW, Baezconde-Garbanati L, Unger J. Problematic substance use among Hispanic adolescents and young adults: implications for prevention efforts. Subst Use Misuse. 2014 Jun; 49(8):1025-38. PMID: 24779502; PMCID: PMC4174412.
      102. Schwartz SJ, Unger J, Des Rosiers SE, Lorenzo-Blanco EI, Zamboanga BL, Huang S, Baezconde-Garbanati L, Villamar JA, Soto DW, Pattarroyo M, Szapocznik J. Domains of acculturation and their effects on substance use and sexual behavior in recent Hispanic immigrant adolescents. Prev Sci. 2014 Jun; 15(3):385-96. PMID: 23828449; PMCID: PMC3825845.
      103. Becker D, Thing JP, Baezconde-Garbanati L, Schwartz SJ, Soto DW, Unger J. Cultural measures associated with sexual risk behaviors among Latino youth in Southern California: a longitudinal study. Perspect Sex Reprod Health. 2014 Dec; 46(4):193-201. PMID: 24786352; PMCID: PMC4216635.
      104. Unger J, Schwartz SJ, Huh J, Soto DW, Baezconde-Garbanati L. Acculturation and perceived discrimination: predictors of substance use trajectories from adolescence to emerging adulthood among Hispanics. Addict Behav. 2014 Sep; 39(9):1293-6. PMID: 24837753; PMCID: PMC4060241.
      105. Andreeva VA, Unger J. Host society acculturation and health practices and outcomes in the United States: public health policy and research implications worldwide. J Public Health Policy. 2014 Aug; 35(3):278-91. PMID: 24694944.
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      106. Unger J. Cultural Influences on Substance Use Among Hispanic Adolescents and Young Adults: Findings From Project RED. Child Dev Perspect. 2014 Mar 01; 8(1):48-53. PMID: 24729791.
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      107. Clark F, Pyatak EA, Carlson M, Blanche EI, Vigen C, Hay J, Mallinson T, Blanchard J, Unger J, Garber SL, Diaz J, Florindez LI, Atkins M, Rubayi S, Azen SP. Implementing trials of complex interventions in community settings: the USC-Rancho Los Amigos pressure ulcer prevention study (PUPS). Clin Trials. 2014 Apr; 11(2):218-29. PMID: 24577972; PMCID: PMC3972348.
      108. Grigsby TJ, Forster M, Baezconde-Garbanati L, Soto DW, Unger J. Do adolescent drug use consequences predict externalizing and internalizing problems in emerging adulthood as well as traditional drug use measures in a Hispanic sample? Addict Behav. 2014 Mar; 39(3):644-51. PMID: 24345310; PMCID: PMC3956617.
      109. Schwartz SJ, Benet-Martínez V, Knight GP, Unger J, Zamboanga BL, Des Rosiers SE, Stephens DP, Huang S, Szapocznik J. Effects of language of assessment on the measurement of acculturation: measurement equivalence and cultural frame switching. Psychol Assess. 2014 Mar; 26(1):100-14. PMID: 24188146; PMCID: PMC3943483.
      110. Schwartz SJ, Unger J, Lorenzo-Blanco EI, Des Rosiers SE, Villamar JA, Soto DW, Pattarroyo M, Baezconde-Garbanati L, Szapocznik J. Perceived context of reception among recent Hispanic immigrants: conceptualization, instrument development, and preliminary validation. Cultur Divers Ethnic Minor Psychol. 2014 Jan; 20(1):1-15. PMID: 24099485; PMCID: PMC3946425.
      111. Epstein D, Unger J, Ornelas B, Chang JC, Markovitz BP, Moromisato DY, Dodek PM, Heyland DK, Gold JI. Psychometric evaluation of a modified version of the family satisfaction in the ICU survey in parents/caregivers of critically ill children*. Pediatr Crit Care Med. 2013 Oct; 14(8):e350-6. PMID: 23863815.
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      112. Huang GC, Unger J, Soto D, Fujimoto K, Pentz MA, Jordan-Marsh M, Valente TW. Peer influences: the impact of online and offline friendship networks on adolescent smoking and alcohol use. J Adolesc Health. 2014 May; 54(5):508-14. PMID: 24012065; PMCID: PMC4694047.
      113. Gilreath TD, Astor RA, Estrada JN, Johnson RM, Benbenishty R, Unger J. Substance Use Among Adolescents in California: A Latent Class Analysis. Subst Use Misuse. 2013 Aug 23. PMID: 23971853.
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      114. Allem JP, Lisha NE, Soto DW, Baezconde-Garbanati L, Unger J. Emerging adulthood themes, role transitions and substance use among Hispanics in Southern California. Addict Behav. 2013 Dec; 38(12):2797-800. PMID: 24018219; PMCID: PMC3812433.
      115. Allem JP, Soto DW, Baezconde-Garbanati L, Unger J. Role transitions in emerging adulthood are associated with smoking among Hispanics in Southern California. Nicotine Tob Res. 2013 Nov; 15(11):1948-51. PMID: 23811010; PMCID: PMC3790634.
      116. Barnett E, Spruijt-Metz D, Unger J, Rohrbach LA, Sun P, Sussman S. Bidirectional associations between future time perspective and substance use among continuation high-school students. Subst Use Misuse. 2013 Jun; 48(8):574-80. PMID: 23750661; PMCID: PMC4181553.
      117. Unger J, Cabassa LJ, Molina GB, Contreras S, Baron M. Evaluation of a fotonovela to increase depression knowledge and reduce stigma among Hispanic adults. J Immigr Minor Health. 2013 Apr; 15(2):398-406. PMID: 22485012; PMCID: PMC3602405.
      118. Basáñez T, Dennis JM, Crano W, Stacy A, Unger J. Measuring Acculturation Gap Conflicts among Hispanics: Implications for Psychosocial and Academic Adjustment. J Fam Issues. 2014 Nov; 35(13):1727-1753. PMID: 26855464.
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      119. Schwartz SJ, Des Rosiers S, Huang S, Zamboanga BL, Unger J, Knight GP, Pantin H, Szapocznik J. Developmental trajectories of acculturation in Hispanic adolescents: associations with family functioning and adolescent risk behavior. Child Dev. 2013 Jul-Aug; 84(4):1355-72. PMID: 23848416; PMCID: PMC3712284.
      120. Forster M, Dyal SR, Baezconde-Garbanati L, Chou CP, Soto DW, Unger J. Bullying victimization as a mediator of associations between cultural/familial variables, substance use, and depressive symptoms among Hispanic youth. Ethn Health. 2013; 18(4):415-32. PMID: 23297708; PMCID: PMC3723765.
      121. Unger J. Jennifer B. Unger on Zili Sloboda's "The state of support for research on the epidemiology, prevention, and treatment of drug use and drug use disorders in the USA". Subst Use Misuse. 2012 Nov-Dec; 47(13-14):1581-3. PMID: 23186478.
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      122. Lorenzo-Blanco EI, Unger J, Ritt-Olson A, Soto D, Baezconde-Garbanati L. A longitudinal analysis of Hispanic youth acculturation and cigarette smoking: the roles of gender, culture, family, and discrimination. Nicotine Tob Res. 2013 May; 15(5):957-68. PMID: 23109671; PMCID: PMC3621579.
      123. Unger J, Schwartz SJ. Conceptual considerations in studies of cultural influences on health behaviors. Prev Med. 2012 Nov; 55(5):353-5. PMID: 23046899; PMCID: PMC3584166.
      124. Allem JP, Ayers JW, Unger J, Vollinger RE, Latkin C, Juon HS, Park HR, Paik HY, Hofstetter CR, Hovell MF. The environment modifies the relationship between social networks and secondhand smoke exposure among Korean nonsmokers in Seoul and California. Asia Pac J Public Health. 2015 Mar; 27(2):NP437-47. PMID: 23000798; PMCID: PMC4444048.
      125. Valente TW, Fujimoto K, Soto D, Ritt-Olson A, Unger J. A comparison of peer influence measures as predictors of smoking among predominately hispanic/latino high school adolescents. J Adolesc Health. 2013 Mar; 52(3):358-64. PMID: 23299016; PMCID: PMC3580024.
      126. Guo Q, Unger J, Palmer PH, Chou CP, Johnson CA. The role of cognitive attributions for smoking in subsequent smoking progression and regression among adolescents in China. Addict Behav. 2013 Jan; 38(1):1493-8. PMID: 23017586; PMCID: PMC3493682.
      127. Basáñez T, Unger J, Soto D, Crano W, Baezconde-Garbanati L. Perceived discrimination as a risk factor for depressive symptoms and substance use among Hispanic adolescents in Los Angeles. Ethn Health. 2013; 18(3):244-61. PMID: 22897755; PMCID: PMC4511266.
      128. Schwartz SJ, Unger J, Des Rosiers SE, Huang S, Baezconde-Garbanati L, Lorenzo-Blanco EI, Villamar JA, Soto DW, Pattarroyo M, Szapocznik J. Substance use and sexual behavior among recent Hispanic immigrant adolescents: effects of parent-adolescent differential acculturation and communication. Drug Alcohol Depend. 2012 Sep; 125 Suppl 1:S26-34. PMID: 22699094; PMCID: PMC3435468.
      129. Lorenzo-Blanco EI, Unger J, Baezconde-Garbanati L, Ritt-Olson A, Soto D. Acculturation, enculturation, and symptoms of depression in Hispanic youth: the roles of gender, Hispanic cultural values, and family functioning. J Youth Adolesc. 2012 Oct; 41(10):1350-65. PMID: 22627624; PMCID: PMC4511280.
      130. Fuqua JL, Gallaher PE, Unger J, Trinidad DR, Sussman S, Ortega E, Johnson CA. Multiple peer group self-identification and adolescent tobacco use. Subst Use Misuse. 2012 May; 47(6):757-66. PMID: 22458850; PMCID: PMC4201855.
      131. Sun P, Johnson CA, Palmer P, Arpawong TE, Unger J, Xie B, Rohrbach LA, Spruijt-Metz D, Sussman S. Concurrent and predictive relationships between compulsive internet use and substance use: findings from vocational high school students in China and the USA. Int J Environ Res Public Health. 2012 03; 9(3):660-73. PMID: 22690154; PMCID: PMC3367268.
      132. Fujimoto K, Unger J, Valente TW. A network method of measuring affiliation-based peer influence: assessing the influences of teammates' smoking on adolescent smoking. Child Dev. 2012 Mar-Apr; 83(2):442-51. PMID: 22313152; PMCID: PMC3305834.
      133. Haile RW, John EM, Levine AJ, Cortessis VK, Unger J, Gonzales M, Ziv E, Thompson P, Spruijt-Metz D, Tucker KL, Bernstein JL, Rohan TE, Ho GY, Bondy ML, Martinez ME, Cook L, Stern MC, Correa MC, Wright J, Schwartz SJ, Baezconde-Garbanati L, Blinder V, Miranda P, Hayes R, Friedman-Jiménez G, Monroe KR, Haiman CA, Henderson BE, Thomas DC, Boffetta P. A review of cancer in U.S. Hispanic populations. Cancer Prev Res (Phila). 2012 Feb; 5(2):150-63. PMID: 22307564.
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      134. Barnett E, Spruijt-Metz D, Unger J, Sun P, Rohrbach LA, Sussman S. Boosting a teen substance use prevention program with motivational interviewing. Subst Use Misuse. 2012 Mar; 47(4):418-28. PMID: 22216936; PMCID: PMC3496395.
      135. Unger J. The most critical unresolved issues associated with race, ethnicity, culture, and substance use. Subst Use Misuse. 2012 Mar; 47(4):390-5. PMID: 22217334; PMCID: PMC4520805.
      136. Allem JP, Ayers JW, Unger J, Irvin VL, Hofstetter CR, Hovell MF. Smoking trajectories among Koreans in Seoul and California: exemplifying a common error in age parameterization. Asian Pac J Cancer Prev. 2012; 13(5):1851-6. PMID: 22901135; PMCID: PMC3677836.
      137. Lisha NE, Sun P, Rohrbach LA, Spruijt-Metz D, Unger J, Sussman S. An evaluation of immediate outcomes and fidelity of a drug abuse prevention program in continuation high schools: project towards no drug abuse (TND). J Drug Educ. 2012; 42(1):33-57. PMID: 22873013.
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      138. Leventhal AM, Ray LA, Rhee SH, Unger J. Genetic and environmental influences on the association between depressive symptom dimensions and smoking initiation among Chinese adolescent twins. Nicotine Tob Res. 2012 May; 14(5):559-68. PMID: 22180578; PMCID: PMC3337537.
      139. Sun P, Unger J, Palmer P, Ma H, Xie B, Sussman S, Johnson CA. Relative income inequality and selected health outcomes in urban Chinese youth. Soc Sci Med. 2012 Jan; 74(1):84-91. PMID: 22137733; PMCID: PMC4184428.
      140. Guo Q, Unger J, Azen SP, MacKinnon DP, Johnson CA. Do cognitive attributions for smoking predict subsequent smoking development? Addict Behav. 2012 Mar; 37(3):273-9. PMID: 22112425; PMCID: PMC3286308.
      141. Schweigman K, Soto C, Wright S, Unger J. The relevance of cultural activities in ethnic identity among California Native American youth. J Psychoactive Drugs. 2011 Oct-Dec; 43(4):343-8. PMID: 22400467; PMCID: PMC3738746.
      142. Andreeva VA, Cockburn MG, Yaroch AL, Unger J, Rueda R, Reynolds KD. Preliminary evidence for mediation of the association between acculturation and sun-safe behaviors. Arch Dermatol. 2011 Jul; 147(7):814-9. PMID: 21768480; PMCID: PMC4353392.
      143. Hsu YW, Johnson CA, Chou CP, Unger J, Sun P, Xie B, Palmer PH, Gallaher PE, Spruijt-Metz D. Correlates of overweight status in Chinese youth: an East-West paradox. Am J Health Behav. 2011 Jul; 35(4):496-506. PMID: 22040595.
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      144. Baezconde-Garbanati LA, Weich-Reushé K, Espinoza L, Portugal C, Barahona R, Garbanati J, Seedat F, Unger J. Secondhand smoke exposure among Hispanics/Latinos living in multiunit housing: exploring barriers to new policies. Am J Health Promot. 2011 May-Jun; 25(5 Suppl):S82-90. PMID: 21510793; PMCID: PMC4141770.
      145. Soto C, Unger J, Ritt-Olson A, Soto DW, Black DS, Baezconde-Garbanati L. Cultural values associated with substance use among Hispanic adolescents in southern California. Subst Use Misuse. 2011; 46(10):1223-33. PMID: 21491991; PMCID: PMC3703317.
      146. Wagner KD, Lankenau SE, Palinkas LA, Richardson JL, Chou CP, Unger J. The influence of the perceived consequences of refusing to share injection equipment among injection drug users: balancing competing risks. Addict Behav. 2011 Aug; 36(8):835-42. PMID: 21498004; PMCID: PMC3098341.
      147. Li D, London SJ, Liu J, Lee W, Jiang X, Van Den Berg D, Bergen AW, Nishita D, Waleh N, Swan GE, Gallaher P, Chou CP, Shih JC, Unger J, Gauderman WJ, Gilliland F, Johnson CA, Conti DV. Association of the calcyon neuron-specific vesicular protein gene (CALY) with adolescent smoking initiation in China and California. Am J Epidemiol. 2011 May 01; 173(9):1039-48. PMID: 21415033; PMCID: PMC3121219.
      148. Lorenzo-Blanco EI, Unger J, Ritt-Olson A, Soto D, Baezconde-Garbanati L. Acculturation, gender, depression, and cigarette smoking among U.S. Hispanic youth: the mediating role of perceived discrimination. J Youth Adolesc. 2011 Nov; 40(11):1519-33. PMID: 21293915; PMCID: PMC3753367.
      149. Weiss JW, Mouttapa M, Cen S, Johnson CA, Unger J. Longitudinal effects of hostility, depression, and bullying on adolescent smoking initiation. J Adolesc Health. 2011 Jun; 48(6):591-6. PMID: 21575819; PMCID: PMC3096829.
      150. Allen B, Cruz TB, Leonard E, Unger J. Development and validation of a scale to assess attitudes and beliefs about menthol cigarettes among african american smokers. Eval Health Prof. 2010 Dec; 33(4):414-36. PMID: 21149394.
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      151. Lac A, Unger J, Basáñez T, Ritt-Olson A, Soto DW, Baezconde-Garbanati L. Marijuana use among Latino adolescents: gender differences in protective familial factors. Subst Use Misuse. 2011; 46(5):644-55. PMID: 20977294; PMCID: PMC3753174.
      152. Belcher BR, Nguyen-Rodriguez ST, McClain AD, Hsu YW, Unger J, Spruijt-Metz D. The influence of worries on emotional eating, weight concerns, and body mass index in Latina female youth. J Adolesc Health. 2011 May; 48(5):487-92. PMID: 21501808; PMCID: PMC3079855.
      153. Wagner KD, Lankenau SE, Palinkas LA, Richardson JL, Chou CP, Unger J. The perceived consequences of safer injection: an exploration of qualitative findings and gender differences. Psychol Health Med. 2010 Oct; 15(5):560-73. PMID: 20835966; PMCID: PMC2939721.
      154. Andreeva VA, Yaroch AL, Unger J, Cockburn MG, Rueda R, Reynolds KD. Moderated mediation regarding the sun-safe behaviors of U.S. Latinos: advancing the theory and evidence for acculturation-focused research and interventions. J Immigr Minor Health. 2010 Oct; 12(5):691-8. PMID: 19937384; PMCID: PMC3810164.
      155. Sakuma KL, Sun P, Unger J, Johnson CA. Evaluating depressive symptom interactions on adolescent smoking prevention program mediators: a mediated moderation analysis. Nicotine Tob Res. 2010 Nov; 12(11):1099-107. PMID: 20861150; PMCID: PMC2964921.
      156. Black DS, Sussman S, Unger J, Pokhrel P, Sun P. Gender differences in body consciousness and substance use among high-risk adolescents. Subst Use Misuse. 2010 Aug; 45(10):1623-35. PMID: 20438339; PMCID: PMC3134405.
      157. Wagner KD, Unger J, Bluthenthal RN, Andreeva VA, Pentz MA. Cognitive behavioral theories used to explain injection risk behavior among injection drug users: a review and suggestions for the integration of cognitive and environmental models. Health Educ Behav. 2010 Aug; 37(4):504-32. PMID: 20705809; PMCID: PMC3084153.
      158. Arpawong TE, Sun P, Chang MC, Gallaher P, Pang Z, Guo Q, Johnson CA, Unger J. Family and personal protective factors moderate the effects of adversity and negative disposition on smoking among Chinese adolescents. Subst Use Misuse. 2010 Jul; 45(9):1367-89. PMID: 20509740.
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      159. Xie B, Unger J, Gallaher P, Johnson CA, Wu Q, Chou CP. Overweight, body image, and depression in Asian and Hispanic adolescents. Am J Health Behav. 2010 Jul-Aug; 34(4):476-88. PMID: 20218759; PMCID: PMC2860429.
      160. Unger J, Lessov-Schlaggar CN, Pang Z, Guo Q, Ning F, Gallaher P, Lee L, Cao W, Conti D, Johnson CA. Heritability of smoking, alcohol use, and psychological characteristics among adolescent twins in Qingdao, China. Asia Pac J Public Health. 2011 Jul; 23(4):568-80. PMID: 20484245; PMCID: PMC4406051.
      161. Schwartz SJ, Unger J, Zamboanga BL, Szapocznik J. Rethinking the concept of acculturation: implications for theory and research. Am Psychol. 2010 May-Jun; 65(4):237-51. PMID: 20455618; PMCID: PMC3700543.
      162. Wagner KD, Ritt-Olson A, Chou CP, Pokhrel P, Duan L, Baezconde-Garbanati L, Soto DW, Unger J. Associations between family structure, family functioning, and substance use among Hispanic/Latino adolescents. Psychol Addict Behav. 2010 Mar; 24(1):98-108. PMID: 20307116; PMCID: PMC2849874.
      163. Schwartz SJ, Unger J. Biculturalism and Context: What Is Biculturalism, and When Is It Adaptive?: Commentary on Mistry and Wu. Hum Dev. 2010 Mar; 53(1):26-32. PMID: 22475719.
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      164. Unger J, Allen B, Leonard E, Wenten M, Cruz TB. Menthol and non-menthol cigarette use among Black smokers in Southern California. Nicotine Tob Res. 2010 Apr; 12(4):398-407. PMID: 20167636.
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      165. Okamoto J, Ritt-Olson A, Soto D, Baezconde-Garbanati L, Unger J. Perceived discrimination and substance use among Latino adolescents. Am J Health Behav. 2009 Nov-Dec; 33(6):718-27. PMID: 19320620; PMCID: PMC3769114.
      166. Black DS, Sussman S, Unger J. A further look at the intergenerational transmission of violence: witnessing interparental violence in emerging adulthood. J Interpers Violence. 2010 Jun; 25(6):1022-42. PMID: 19801446; PMCID: PMC3705927.
      167. Guo Q, Unger J, Azen SP, Li C, Spruijt-Metz D, Palmer PH, Chou CP, Lee L, Sun P, Johnson CA. Cognitive attributions for smoking among adolescents in China. Addict Behav. 2010 Feb; 35(2):95-101. PMID: 19800741; PMCID: PMC2821664.
      168. Nguyen-Rodriguez ST, Unger J, Spruijt-Metz D. Psychological determinants of emotional eating in adolescence. Eat Disord. 2009 May-Jun; 17(3):211-24. PMID: 19391020; PMCID: PMC2859040.
      169. Unger J, Ritt-Olson A, Wagner KD, Soto DW, Baezconde-Garbanati L. Parent-child acculturation patterns and substance use among Hispanic adolescents: a longitudinal analysis. J Prim Prev. 2009 Jul; 30(3-4):293-313. PMID: 19384604; PMCID: PMC3739280.
      170. Wagner KD, Valente TW, Casanova M, Partovi SM, Mendenhall BM, Hundley JH, Gonzalez M, Unger J. Evaluation of an overdose prevention and response training programme for injection drug users in the Skid Row area of Los Angeles, CA. Int J Drug Policy. 2010 May; 21(3):186-93. PMID: 19268564; PMCID: PMC4291458.
      171. Andreeva VA, Unger J, Yaroch AL, Cockburn MG, Baezconde-Garbanati L, Reynolds KD. Acculturation and sun-safe behaviors among US Latinos: findings from the 2005 Health Information National Trends Survey. Am J Public Health. 2009 Apr; 99(4):734-41. PMID: 19150918; PMCID: PMC2661486.
      172. Otsuki M, Tinsley BJ, Chao RK, Unger J. An ecological perspective on smoking among Asian American college students: the roles of social smoking and smoking motives. Psychol Addict Behav. 2008 Dec; 22(4):514-23. PMID: 19071976.
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      173. Ma H, Unger J, Chou CP, Sun P, Palmer PH, Zhou Y, Yao J, Xie B, Gallaher PE, Guo Q, Wei Y, Chen B, Wang Z, Wang X, Duan H, Song Y, Gong J, Azen SP, Lee L, Johnson CA. Risk factors for adolescent smoking in urban and rural China: findings from the China seven cities study. Addict Behav. 2008 Aug; 33(8):1081-5. PMID: 18495363.
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      174. Sussman S, Unger J, Palinkas LA. Country prototypes and translation of health programs. Eval Health Prof. 2008 Jun; 31(2):110-23. PMID: 18349351.
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      175. Unger J, Soto C, Thomas N. Translation of health programs for American Indians in the United States. Eval Health Prof. 2008 Jun; 31(2):124-44. PMID: 18319377.
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      176. Wagner KD, Ritt-Olson A, Soto DW, Rodriguez YL, Baezconde-Garbanati L, Unger J. The role of acculturation, parenting, and family in Hispanic/Latino adolescent substance use: findings from a qualitative analysis. J Ethn Subst Abuse. 2008; 7(3):304-27. PMID: 18985171.
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      177. Pokhrel P, Unger J, Wagner KD, Ritt-Olson A, Sussman S. Effects of parental monitoring, parent-child communication, and parents' expectation of the child's acculturation on the substance use behaviors of urban, Hispanic adolescents. J Ethn Subst Abuse. 2008; 7(2):200-13. PMID: 19042806.
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      178. Wagner KD, Ritt-Olson A, Soto DW, Unger J. Variation in family structure among urban adolescents and its effects on drug use. Subst Use Misuse. 2008; 43(7):936-51. PMID: 18570026; PMCID: PMC3794458.
      179. Booker CL, Unger J, Azen SP, Baezconde-Garbanati L, Lickel B, Johnson CA. A longitudinal analysis of stressful life events, smoking behaviors, and gender differences in a multicultural sample of adolescents. Subst Use Misuse. 2008; 43(11):1521-43. PMID: 18752157.
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      180. Sun P, Unger J, Guo Q, Gong J, Ma H, Palmer PH, Chou CP, Li Y, Sussman S, Ritt-Olson A, Xiao L, Johnson CA. Comorbidity between depression and smoking moderates the effect of a smoking prevention program among boys in China. Nicotine Tob Res. 2007 Nov; 9 Suppl 4:S599-609. PMID: 18067035.
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      181. Unger J, Ritt-Olson A, Soto DW, Baezconde-Garbanati L. Parent-child acculturation discrepancies as a risk factor for substance use among Hispanic adolescents in Southern California. J Immigr Minor Health. 2009 Jun; 11(3):149-57. PMID: 17922232; PMCID: PMC3745998.
      182. Andreeva VA, Unger J, Pentz MA. Breast cancer among immigrants: a systematic review and new research directions. J Immigr Minor Health. 2007 Oct; 9(4):307-22. PMID: 17431785.
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      183. Nguyen-Rodriguez ST, Chou CP, Unger J, Spruijt-Metz D. BMI as a moderator of perceived stress and emotional eating in adolescents. Eat Behav. 2008 Apr; 9(2):238-46. PMID: 18329603; PMCID: PMC2386154.
      184. Valente TW, Ritt-Olson A, Stacy A, Unger J, Okamoto J, Sussman S. Peer acceleration: effects of a social network tailored substance abuse prevention program among high-risk adolescents. Addiction. 2007 Nov; 102(11):1804-15. PMID: 17784893.
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      185. Unger J, Palmer PH, Johnson CA. Tobacco and alcohol etiology, prevention, and policy in the Pacific Rim: lessons learned and directions for future research. Introduction. Nicotine Tob Res. 2007 Sep; 9 Suppl 3:S443-5. PMID: 17978973.
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      186. Booker CL, Unger J, Azen SP, Baezconde-Garbanati L, Lickel B, Johnson CA. Stressful life events and smoking behaviors in Chinese adolescents: a longitudinal analysis. Nicotine Tob Res. 2007 Nov; 9(11):1085-94. PMID: 17852767.
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      187. Fosados R, McClain A, Ritt-Olson A, Sussman S, Soto D, Baezconde-Garbanati L, Unger J. The influence of acculturation on drug and alcohol use in a sample of adolescents. Addict Behav. 2007 Dec; 32(12):2990-3004. PMID: 17618064; PMCID: PMC2062572.
      188. Johnson CA, Cen S, Gallaher P, Palmer PH, Xiao L, Ritt-Olson A, Unger J. Why smoking prevention programs sometimes fail. Does effectiveness depend on sociocultural context and individual characteristics? Cancer Epidemiol Biomarkers Prev. 2007 Jun; 16(6):1043-9. PMID: 17548661.
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      189. Allen B, Unger J. Sociocultural correlates of menthol cigarette smoking among adult African Americans in Los Angeles. Nicotine Tob Res. 2007 Apr; 9(4):447-51. PMID: 17454699.
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      190. Nguyen-Michel ST, Unger J, Spruijt-Metz D. Dietary correlates of emotional eating in adolescence. Appetite. 2007 Sep; 49(2):494-9. PMID: 17466408; PMCID: PMC2020451.
      191. Sun W, Chou CP, Stacy AW, Ma H, Unger J, Gallaher P. SAS and SPSS macros to calculate standardized Cronbach's alpha using the upper bound of the phi coefficient for dichotomous items. Behav Res Methods. 2007 Feb; 39(1):71-81. PMID: 17552473.
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      192. Unger J, Sun P, Johnson CA. Socioeconomic correlates of smoking among an ethnically diverse sample of 8th grade adolescents in Southern California. Prev Med. 2007 Apr; 44(4):323-7. PMID: 17303234; PMCID: PMC1904430.
      193. Pang Z, Ning F, Unger J, Johnson CA, Wang S, Guo Q, Cao W, Lee L. The Qingdao Twin Registry: a focus on chronic disease research. Twin Res Hum Genet. 2006 Dec; 9(6):758-62. PMID: 17254404.
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      194. Anderson Johnson C, Palmer PH, Chou CP, Pang Z, Zhou D, Dong L, Xiang H, Yang P, Xu H, Wang J, Fu X, Guo Q, Sun P, Ma H, Gallaher PE, Xie B, Lee L, Fang T, Unger J. Tobacco use among youth and adults in Mainland China: the China Seven Cities Study. Public Health. 2006 Dec; 120(12):1156-69. PMID: 17007895.
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      195. Guo Q, Johnson CA, Unger J, Lee L, Xie B, Chou CP, Palmer PH, Sun P, Gallaher P, Pentz M. Utility of the theory of reasoned action and theory of planned behavior for predicting Chinese adolescent smoking. Addict Behav. 2007 May; 32(5):1066-81. PMID: 16934414.
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      196. Lessov-Schlaggar CN, Pang Z, Swan GE, Guo Q, Wang S, Cao W, Unger J, Johnson CA, Lee L. Heritability of cigarette smoking and alcohol use in Chinese male twins: the Qingdao twin registry. Int J Epidemiol. 2006 Oct; 35(5):1278-85. PMID: 16847025.
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      197. Sun W, Andreeva VA, Unger J, Conti DV, Chou CP, Palmer PH, Sun P, Johnson CA. Age-related smoking progression among adolescents in China. J Adolesc Health. 2006 Nov; 39(5):686-93. PMID: 17046505.
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      198. Weiss JW, Cen S, Schuster DV, Unger J, Johnson CA, Mouttapa M, Schreiner WS, Cruz TB. Longitudinal effects of pro-tobacco and anti-tobacco messages on adolescent smoking susceptibility. Nicotine Tob Res. 2006 Jun; 8(3):455-65. PMID: 16801303.
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      199. Hamilton AS, Lessov-Schlaggar CN, Cockburn MG, Unger J, Cozen W, Mack TM. Gender differences in determinants of smoking initiation and persistence in California twins. Cancer Epidemiol Biomarkers Prev. 2006 Jun; 15(6):1189-97. PMID: 16775180.
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      200. Unger J, Soto C, Baezconde-Garbanati L. Perceptions of ceremonial and nonceremonial uses of tobacco by American-Indian adolescents in California. J Adolesc Health. 2006 Apr; 38(4):443.e9-16. PMID: 16549307.
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      201. Grenard JL, Guo Q, Jasuja GK, Unger J, Chou CP, Gallaher PE, Sun P, Palmer P, Anderson Johnson C. Influences affecting adolescent smoking behavior in China. Nicotine Tob Res. 2006 Apr; 8(2):245-55. PMID: 16766417.
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      202. Valente TW, Unger J, Ritt-Olson A, Cen SY, Anderson Johnson C. The interaction of curriculum type and implementation method on 1-year smoking outcomes in a school-based prevention program. Health Educ Res. 2006 Jun; 21(3):315-24. PMID: 16531503.
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      203. Chou CP, Li Y, Unger J, Xia J, Sun P, Guo Q, Shakib S, Gong J, Xie B, Liu C, Azen S, Shan J, Ma H, Palmer P, Gallaher P, Johnson CA. A randomized intervention of smoking for adolescents in urban Wuhan, China. Prev Med. 2006 Apr; 42(4):280-5. PMID: 16487998.
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      204. Unger J, Kipke MD, De Rosa CJ, Hyde J, Ritt-Olson A, Montgomery S. Needle-sharing among young IV drug users and their social network members: The influence of the injection partner's characteristics on HIV risk behavior. Addict Behav. 2006 Sep; 31(9):1607-18. PMID: 16459023.
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      205. Hoffman BR, Sussman S, Unger J, Valente TW. Peer influences on adolescent cigarette smoking: a theoretical review of the literature. Subst Use Misuse. 2006; 41(1):103-55. PMID: 16393739.
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      206. Unger J, Shakib S, Gallaher P, Ritt-Olson A, Mouttapa M, Palmer PH, Johnson CA. Cultural/interpersonal values and smoking in an ethnically diverse sample of Southern California adolescents. J Cult Divers. 2006; 13(1):55-63. PMID: 16696546.
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      207. Spruijt-Metz D, Gallaher P, Unger J, Johnson CA. Unique contributions of meanings of smoking and outcome expectancies to understanding smoking initiation in middle school. Ann Behav Med. 2005 Oct; 30(2):104-11. PMID: 16173906.
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      208. Valente TW, Unger J, Johnson CA. Do popular students smoke? The association between popularity and smoking among middle school students. J Adolesc Health. 2005 Oct; 37(4):323-9. PMID: 16182143.
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      209. Sun P, Unger J, Palmer PH, Gallaher P, Chou CP, Baezconde-Garbanati L, Sussman S, Johnson CA. Internet accessibility and usage among urban adolescents in Southern California: implications for web-based health research. Cyberpsychol Behav. 2005 Oct; 8(5):441-53. PMID: 16232037.
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      210. Sussman S, Unger J, Rohrbach LA, Johnson CA. School-based smoking prevention research. J Adolesc Health. 2005 Jul; 37(1):4; author reply 6-8. PMID: 15963896.
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      211. Johnson CA, Unger J, Ritt-Olson A, Palmer PH, Cen SY, Gallaher P, Chou CP. Smoking prevention for ethnically diverse adolescents: 2-year outcomes of a multicultural, school-based smoking prevention curriculum in Southern California. Prev Med. 2005 Jun; 40(6):842-52. PMID: 15850886.
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      212. Nezami E, Unger J, Tan S, Mahaffey C, Ritt-Olson A, Sussman S, Nguyen-Michel S, Baezconde-Garbanati L, Azen S, Johnson CA. The influence of depressive symptoms on experimental smoking and intention to smoke in a diverse youth sample. Nicotine Tob Res. 2005 Apr; 7(2):243-8. PMID: 16036281.
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      213. Weiss JW, Mouttapa M, Chou CP, Nezami E, Anderson Johnson C, Palmer PH, Cen S, Gallaher P, Ritt-Olson A, Azen S, Unger J. Hostility, depressive symptoms, and smoking in early adolescence. J Adolesc. 2005 Feb; 28(1):49-62. PMID: 15683634.
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      214. Trinidad DR, Unger J, Chou CP, Johnson CA. Emotional intelligence and acculturation to the United States: interactions on the perceived social consequences of smoking in early adolescents. Subst Use Misuse. 2005; 40(11):1697-706. PMID: 16253935.
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      215. Baezconde-Garbanati L, Unger J, Portugal C, Delgado JL, Falcon A, Gaitan M. Maximizing participation of Hispanic community-based/non-governmental organizations (NGOs) in emergency preparedness. Int Q Community Health Educ. 2005-2006; 24(4):289-317. PMID: 17686688.
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      216. Shakib S, Zheng H, Johnson CA, Chen X, Sun P, Palmer PH, Yan L, Jie G, Unger J. Family characteristics and smoking among urban and rural adolescents living in China. Prev Med. 2005 Jan; 40(1):83-91. PMID: 15530584.
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      217. Sun P, Unger J, Sussman S. A new measure of smoking initiation and progression among adolescents. Am J Health Behav. 2005 Jan-Feb; 29(1):3-11. PMID: 15604046.
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      218. Ritt-Olson A, Unger J, Valente T, Nezami E, Chou CP, Trinidad D, Milam J, Earleywine M, Tan S, Johnson CA. Exploring peers as a mediator of the association between depression and smoking in young adolescents. Subst Use Misuse. 2005; 40(1):77-98. PMID: 15702650.
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      219. Zheng H, Sussman S, Chen X, Wang Y, Xia J, Gong J, Liu C, Shan J, Unger J, Johnson CA. Project EX--a teen smoking cessation initial study in Wuhan, China. Addict Behav. 2004 Dec; 29(9):1725-33. PMID: 15530717.
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      220. Unger J, Reynolds K, Shakib S, Spruijt-Metz D, Sun P, Johnson CA. Acculturation, physical activity, and fast-food consumption among Asian-American and Hispanic adolescents. J Community Health. 2004 Dec; 29(6):467-81. PMID: 15587346.
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      221. Booker CL, Gallaher P, Unger J, Ritt-Olson A, Johnson CA. Stressful life events, smoking behavior, and intentions to smoke among and multiethnic sample of sixth graders. Ethn Health. 2004 Nov; 9(4):369-97. PMID: 15570681.
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      222. Stacy AW, Zogg JB, Unger J, Dent CW. Exposure to televised alcohol ads and subsequent adolescent alcohol use. Am J Health Behav. 2004 Nov-Dec; 28(6):498-509. PMID: 15569584.
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      223. Spruijt-Metz D, Gallaher PE, Unger J, Anderson-Johnson C. Meanings of smoking and adolescent smoking across ethnicities. J Adolesc Health. 2004 Sep; 35(3):197-205. PMID: 15313501.
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      224. Unger J, Hamilton JE, Sussman S. A family member's job loss as a risk factor for smoking among adolescents. Health Psychol. 2004 May; 23(3):308-13. PMID: 15099172.
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      225. Ritt-Olson A, Milam J, Unger J, Trinidad D, Teran L, Dent CW, Sussman S. The protective influence of spirituality and "Health-as-a-Value" against monthly substance use among adolescents varying in risk. J Adolesc Health. 2004 Mar; 34(3):192-9. PMID: 14967342.
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      226. Unger J, Chou CP, Palmer PH, Ritt-Olson A, Gallaher P, Cen S, Lichtman K, Azen S, Johnson CA. Project FLAVOR: 1-Year Outcomes of a Multicultural, School-Based Smoking Prevention Curriculum for Adolescents. Am J Public Health. 2004 Feb; 94(2):263-5. PMID: 14759940; PMCID: PMC1448241.
      227. Unger J, Gallaher P, Palmer PH, Baezconde-Garbanati L, Trinidad DR, Cen S, Johnson CA. Characteristics of adolescents who provide neither parental consent nor refusal for participation in school-based survey research. Eval Rev. 2004 Feb; 28(1):52-63. PMID: 14750291.
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      228. Trinidad DR, Unger J, Chou CP, Azen SP, Johnson CA. Emotional intelligence and smoking risk factors in adolescents: interactions on smoking intentions. J Adolesc Health. 2004 Jan; 34(1):46-55. PMID: 14706405.
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      229. Unger J, Baezconde-Garbanati L, Shakib S, Palmer PH, Nezami E, Mora J. A cultural psychology approach to "drug abuse" prevention. Subst Use Misuse. 2004; 39(10-12):1779-820. PMID: 15587951.
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      230. Mouttapa M, Valente T, Gallaher P, Rohrbach LA, Unger J. Social network predictors of bullying and victimization. Adolescence. 2004; 39(154):315-35. PMID: 15563041.
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      231. Sussman S, Unger J. A "drug abuse" theoretical integration: a transdisciplinary speculation. Subst Use Misuse. 2004; 39(10-12):2055-69. PMID: 15587957.
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      232. Unger J. Gene-environment interactions in substance use: how will we use transdisciplinary findings to improve health outcomes? Subst Use Misuse. 2004; 39(10-12):2086-7. PMID: 15587965.
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      233. Stokols D, Fuqua J, Gress J, Harvey R, Phillips K, Baezconde-Garbanati L, Unger J, Palmer P, Clark MA, Colby SM, Morgan G, Trochim W. Evaluating transdisciplinary science. Nicotine Tob Res. 2003 Dec; 5 Suppl 1:S21-39. PMID: 14668085.
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      234. Chen X, Li G, Unger J, Liu X, Johnson CA. Secular trends in adolescent never smoking from 1990 to 1999 in California: an age-period-cohort analysis. Am J Public Health. 2003 Dec; 93(12):2099-104. PMID: 14652341; PMCID: PMC1448159.
      235. Nash JM, Collins BN, Loughlin SE, Solbrig M, Harvey R, Krishnan-Sarin S, Unger J, Miner C, Rukstalis M, Shenassa E, Dubé C, Spirito A. Training the transdisciplinary scientist: a general framework applied to tobacco use behavior. Nicotine Tob Res. 2003 Dec; 5 Suppl 1:S41-53. PMID: 14668086.
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      236. Unger J, Cruz T, Shakib S, Mock J, Shields A, Baezconde-Garbanati L, Palmer P, Cruz JD, Edsall E, Gritz ER, Glynn T, Johnson CA. Exploring the cultural context of tobacco use: a transdisciplinary framework. Nicotine Tob Res. 2003 Dec; 5 Suppl 1:S101-17. PMID: 14668090.
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      237. Mouttapa M, Huang TT, Shakib S, Sussman S, Unger J. Authority-related conformity as a protective factor against adolescent health risk behaviors. J Adolesc Health. 2003 Nov; 33(5):320-1. PMID: 14596953.
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      238. Unger J, Shakib S, Cruz TB, Hoffman BR, Pitney BH, Rohrbach LA. Smoking behavior among urban and rural Native American adolescents in California. Am J Prev Med. 2003 Oct; 25(3):251-4. PMID: 14507533.
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      239. Chen X, Stacy A, Zheng H, Shan J, Spruijt-Metz D, Unger J, Gong J, Gallaher P, Liu C, Azen S, Shakib S, Ph D AJ. Sensations from initial exposure to nicotine predicting adolescent smoking in China: a potential measure of vulnerability to nicotine. Nicotine Tob Res. 2003 Aug; 5(4):455-63. PMID: 12959783.
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      240. Shakib S, Mouttapa M, Johnson CA, Ritt-Olson A, Trinidad DR, Gallaher PE, Unger J. Ethnic variation in parenting characteristics and adolescent smoking. J Adolesc Health. 2003 Aug; 33(2):88-97. PMID: 12890600.
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      241. Unger J, Sussman S, Dent CW. Interpersonal conflict tactics and substance use among high-risk adolescents. Addict Behav. 2003 Jul; 28(5):979-87. PMID: 12788270.
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      242. Trinidad DR, Chou CP, Unger J, Johnson CA, Li Y. Family harmony as a protective factor against adolescent tobacco and alcohol use in Wuhan, China. Subst Use Misuse. 2003 Jun; 38(8):1159-71. PMID: 12901453.
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      243. Li C, Unger J, Schuster D, Rohrbach LA, Howard-Pitney B, Norman G. Youths' exposure to environmental tobacco smoke (ETS): associations with health beliefs and social pressure. Addict Behav. 2003 Jan-Feb; 28(1):39-53. PMID: 12507526.
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      244. Chen X, Zheng H, Steve S, Gong J, Stacy A, Xia J, Gallaher P, Dent C, Azen S, Shan J, Unger J, Johnson CA. Use of the fagerstrom tolerance questionnaire for measuring nicotine dependence among adolescent smokers in China: a pilot test. Psychol Addict Behav. 2002 Sep; 16(3):260-3. PMID: 12236462.
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      245. Chen X, Unger J, Palmer P, Weiner MD, Johnson CA, Wong MM, Austin G. Prior cigarette smoking initiation predicting current alcohol use: evidence for a gateway drug effect among California adolescents from eleven ethnic groups. Addict Behav. 2002 Sep-Oct; 27(5):799-817. PMID: 12201385.
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      246. Rohrbach LA, Howard-Pitney B, Unger J, Dent CW, Howard KA, Cruz TB, Ribisl KM, Norman GJ, Fishbein H, Johnson CA. Independent evaluation of the California Tobacco Control Program: relationships between program exposure and outcomes, 1996-1998. Am J Public Health. 2002 Jun; 92(6):975-83. PMID: 12036792; PMCID: PMC1447497.
      247. Unger J, Yan L, Shakib S, Rohrbach LA, Chen X, Qian G, Chou CP, Jianguo S, Azen S, Zheng H, Johnson CA. Peer influences and access to cigarettes as correlates of adolescent smoking: a cross-cultural comparison of Wuhan, China, and California. Prev Med. 2002 Apr; 34(4):476-84. PMID: 11914054.
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      248. Chen X, Cruz TB, Schuster DV, Unger J, Johnson CA. Receptivity to protobacco media and its impact on cigarette smoking among ethnic minority youth in California. J Health Commun. 2002 Mar-Apr; 7(2):95-111. PMID: 12049425.
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      249. Unger J, Molina GB. Acculturation and attitudes about contraceptive use among Latina women. Health Care Women Int. 2000 Apr-May; 21(3):235-49. PMID: 11111468.
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