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Jennifer B Unger, PhD

TitleProfessor of Preventive Medicine
InstitutionUniversity of Southern California
DepartmentInstitute for Health Promotion & Disease Prevention
AddressSSB 302 2001 N. Soto Street
Health Sciences Campus
Los Angeles CA 90033
Phone+1 323 442 8234
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    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

    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 Research 
    Collapse Research Activities and Funding
    Drug Use Among Hispanic Emerging Adults
    NIH/NIDA R01DA016310Apr 1, 2003 - Jan 31, 2015
    Role: Principal Investigator

    Collapse ORNG Applications 
    Collapse Featured Publications
    Collapse Websites
    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. Lorenzo-Blanco EI, Meca A, Unger JB, Szapocznik J, Cano MÁ, Des Rosiers SE, Schwartz SJ. Cultural Stress, Emotional well-being, and Health Risk Behaviors among Recent Immigrant Latinx families: The Moderating Role of Perceived Neighborhood Characteristics. J Youth Adolesc. 2018 Sep 01. PMID: 30171590.
      View in: PubMed
    2. Audrain-McGovern J, Stone MD, Barrington-Trimis J, Unger JB, Leventhal AM. Adolescent E-Cigarette, Hookah, and Conventional Cigarette Use and Subsequent Marijuana Use. Pediatrics. 2018 Aug 06. PMID: 30082450.
      View in: PubMed
    3. Allem JP, Cruz TB, Unger JB, Toruno R, Herrera J, Kirkpatrick MG. Return of cartoon to market e-cigarette-related products. Tob Control. 2018 Jul 26. PMID: 30049688.
      View in: PubMed
    4. Milam J, Slaughter R, Tobin JL, Unger JB, Ritt-Olson A, Freyer DR, Soto D, Hamilton AS. Childhood Cancer Survivorship and Substance Use Behaviors: A Matched Case-Control Study Among Hispanic Adolescents and Young Adults. J Adolesc Health. 2018 Jul; 63(1):115-117. PMID: 30060847.
      View in: PubMed
    5. Allem JP, Dharmapuri L, Unger JB, Cruz TB. Characterizing JUUL-related posts on Twitter. Drug Alcohol Depend. 2018 Jun 23; 190:1-5. PMID: 29958115.
      View in: PubMed
    6. Unger JB, Urman R, Cruz TB, Majmundar A, Barrington-Trimis J, Pentz MA, McConnell R. Talking about tobacco on Twitter is associated with tobacco product use. Prev Med. 2018 Jun 10. PMID: 29898418.
      View in: PubMed
    7. Cruz TB, McConnell R, Low BW, Unger JB, Pentz MA, Urman R, Berhane K, Chou CP, Liu F, Barrington-Trimis J. Tobacco Marketing and Subsequent Use of Cigarettes, E-cigarettes and Hookah in Adolescents. Nicotine Tob Res. 2018 May 28. PMID: 29846704.
      View in: PubMed
    8. Urman R, McConnell R, Unger JB, Cruz TB, Samet JM, Berhane K, Barrington-Trimis JL. Electronic Cigarette and Cigarette Social Environments and Ever Use of Each Product: A Prospective Study of Young Adults in Southern California. Nicotine Tob Res. 2018 May 08. PMID: 29741713.
      View in: PubMed
    9. Rogers CJ, Forster M, Unger JB. Ethnic variations in the relationship between multiple stress domains and use of several types of tobacco/nicotine products among a diverse sample of adults. Addict Behav Rep. 2018 Jun; 7:96-102. PMID: 29892703.
      View in: PubMed
    10. Rose SW, Glasser AM, Zhou Y, Cruz TB, Cohn AM, Lienemann BA, Byron MJ, Huang LL, Meissner HI, Baezconde-Garbanati L, Unger JB. Adolescent tobacco coupon receipt, vulnerability characteristics and subsequent tobacco use: analysis of PATH Study, Waves 1 and 2. Tob Control. 2018 Feb 22. PMID: 29472444.
      View in: PubMed
    11. Yu S, Escobedo P, Garcia R, Cruz TB, Unger JB, Baezconde-Garbanati L, Meza L, Sussman S. A Descriptive Longitudinal Study of Changes in Vape Shop Characteristics and Store Policies in Anticipation of the 2016 FDA Regulations of Tobacco Products, Including E-Cigarettes. Int J Environ Res Public Health. 2018 Feb 11; 15(2). PMID: 29439464.
      View in: PubMed
    12. Pokhrel P, Herzog TA, Fagan P, Unger JB, Stacy AW. E-cigarette Advertising Exposure, Explicit and Implicit Harm Perceptions, and E-Cigarette use Susceptibility Among Non-Smoking Young Adults. Nicotine Tob Res. 2018 Feb 10. PMID: 29444275.
      View in: PubMed
    13. Tobin J, Miller KA, Baezconde-Garbanati L, Unger JB, Hamilton AS, Milam JE. Acculturation, Mental Health, and Quality of Life among Hispanic Childhood Cancer Survivors: A Latent Class Analysis. Ethn Dis. 2018; 28(1):55-60. PMID: 29467567.
      View in: PubMed
    14. Bhat A, Mao J, Unützer J, Reed S, Unger J. Text messaging to support a perinatal collaborative care model for depression: A multi-methods inquiry. Gen Hosp Psychiatry. 2018 May - Jun; 52:14-20. PMID: 29494854.
      View in: PubMed
    15. Grest CV, Lee JO, Gilreath T, Unger JB. Latent Class Analysis of Intimate Partner Violence Perpetration and Victimization among Latino Emerging Adults. J Youth Adolesc. 2018 03; 47(3):575-585. PMID: 29356925.
      View in: PubMed
    16. Unger JB. Perceived Discrimination as a Risk Factor for Use of Emerging Tobacco Products: More Similarities Than Differences Across Demographic Groups and Attributions for Discrimination. Subst Use Misuse. 2018 Jan 17; 1-7. PMID: 29338581.
      View in: PubMed
    17. Ramírez AS, Golash-Boza T, Unger JB, Baezconde-Garbanati L. Questioning the Dietary Acculturation Paradox: A Mixed-Methods Study of the Relationship between Food and Ethnic Identity in a Group of Mexican-American Women. J Acad Nutr Diet. 2018 Mar; 118(3):431-439. PMID: 29289549.
      View in: PubMed
    18. Gonzales-Backen MA, Meca A, Lorenzo-Blanco EI, Des Rosiers SE, Córdova D, Soto DW, Cano MÁ, Oshri A, Zamboanga BL, Baezconde-Garbanati L, Schwartz SJ, Szapocznik J, Unger JB. Examining the temporal order of ethnic identity and perceived discrimination among Hispanic immigrant adolescents. Dev Psychol. 2018 May; 54(5):929-937. PMID: 29265827.
      View in: PubMed
    19. Allem JP, Ferrara E, Uppu SP, Cruz TB, Unger JB. E-Cigarette Surveillance With Social Media Data: Social Bots, Emerging Topics, and Trends. JMIR Public Health Surveill. 2017 Dec 20; 3(4):e98. PMID: 29263018.
      View in: PubMed
    20. Davis AN, Carlo G, Streit C, Schwartz SJ, Unger JB, Baezconde-Garbanati L, Szapocznik J. Longitudinal Associations between Maternal Involvement, Cultural Orientations, and Prosocial Behaviors Among Recent Immigrant Latino Adolescents. J Youth Adolesc. 2018 02; 47(2):460-472. PMID: 29248991.
      View in: PubMed
    21. Altieri L, Miller KA, Huh J, Peng DH, Unger JB, Richardson JL, Allen MW, Cockburn M. Prevalence of sun protection behaviors in Hispanic youth residing in a high ultraviolet light environment. Pediatr Dermatol. 2018 Jan; 35(1):e52-e54. PMID: 29159951.
      View in: PubMed
    22. Unger JB, Bartsch L. Exposure to tobacco websites: Associations with cigarette and e-cigarette use and susceptibility among adolescents. Addict Behav. 2018 Mar; 78:120-123. PMID: 29154150.
      View in: PubMed
    23. Pokhrel P, Fagan P, Herzog TA, Laestadius L, Buente W, Kawamoto CT, Lee HR, Unger JB. Social media e-cigarette exposure and e-cigarette expectancies and use among young adults. Addict Behav. 2018 Mar; 78:51-58. PMID: 29127784.
      View in: PubMed
    24. Allem JP, Escobedo P, Cruz TB, Unger JB. Vape pen product placement in popular music videos. Addict Behav. 2017 Nov 03. PMID: 29128149.
      View in: PubMed
    25. Unger JB. The Evolving Tobacco Product and Tobacco Control Policy Landscapes: Understanding Complex and Interactive Effects to Avoid Leaving Vulnerable Populations Behind. Nicotine Tob Res. 2017 Nov 01; 19(11):1255-1256. PMID: 29017261.
      View in: PubMed
    26. Merianos AL, Swoboda CM, Oluwoye OA, Gilreath TD, Unger JB. Depression and Alcohol Use in a National Sample of Hispanic Adolescents. Subst Use Misuse. 2018 Apr 16; 53(5):716-723. PMID: 29053393.
      View in: PubMed
    27. Allem JP, Ramanujam J, Lerman K, Chu KH, Boley Cruz T, Unger JB. Identifying Sentiment of Hookah-Related Posts on Twitter. JMIR Public Health Surveill. 2017 Oct 18; 3(4):e74. PMID: 29046267.
      View in: PubMed
    28. Delgado-Rendon A, Cruz TB, Soto D, Baezconde-Garbanati L, Unger JB. 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 Oct; 19(5):1148-1155. PMID: 28074306.
      View in: PubMed
    29. Pokhrel P, Fagan P, Herzog TA, Schmid S, Kawamoto CT, Unger JB. Comparison of Measures of E-cigarette Advertising Exposure and Receptivity. Tob Regul Sci. 2017 Oct; 3(4):424-434. PMID: 29516028.
      View in: PubMed
    30. Allem JP, Chu KH, Cruz TB, Unger JB. Waterpipe Promotion and Use on Instagram: #Hookah. Nicotine Tob Res. 2017 Oct 01; 19(10):1248-1252. PMID: 28077449.
      View in: PubMed
    31. Tobin J, Allem JP, Slaughter R, Unger JB, Hamilton AS, Milam JE. Posttraumatic growth among childhood cancer survivors: Associations with ethnicity, acculturation, and religious service attendance. J Psychosoc Oncol. 2018 Mar-Apr; 36(2):175-188. PMID: 28816639.
      View in: PubMed
    32. Garc?a R, Sidhu A, Allem JP, Baezconde-Garbanati L, Unger JB, Sussman S. Marketing activities of vape shops across racial/ethnic communities. Tob Prev Cessat. 2016; 2(Suppl). PMID: 29046899.
      View in: PubMed
    33. Escobedo P, Cruz TB, Tsai KY, Allem JP, Soto DW, Kirkpatrick MG, Pattarroyo M, Unger JB. Monitoring tobacco brand websites to understand marketing strategies aimed at tobacco product users and potential users. Nicotine Tob Res. 2017 Sep 11. PMID: 29059386.
      View in: PubMed
    34. Bhat A, Reed S, Mao J, Vredevoogd M, Russo J, Unger J, Rowles R, Unützer J. Delivering perinatal depression care in a rural obstetric setting: a mixed methods study of feasibility, acceptability and effectiveness. J Psychosom Obstet Gynaecol. 2017 Sep 07; 1-8. PMID: 28882096.
      View in: PubMed
    35. Barrington-Trimis JL, Leventhal AM, Alonzo TA, Cruz TB, Urman R, Liu F, Pentz MA, Unger JB, McConnell R. Performance of cigarette susceptibility index among e-cigarette and hookah users. Drug Alcohol Depend. 2018 Feb 01; 183:43-50. PMID: 29223916.
      View in: PubMed
    36. Lorenzo-Blanco EI, Meca A, Piña-Watson B, Zamboanga BL, Szapocznik J, Cano MÁ, Cordova D, Unger JB, 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
    37. Soneji S, Barrington-Trimis JL, Wills TA, Leventhal AM, Unger JB, 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
    38. Leventhal AM, Cho J, Stone MD, Barrington-Trimis JL, Chou CP, Sussman SY, Riggs NR, Unger JB, Audrain-McGovern J, Strong DR. Associations between anhedonia and marijuana use escalation across mid-adolescence. Addiction. 2017 Dec; 112(12):2182-2190. PMID: 28623880.
      View in: PubMed
    39. Lorenzo-Blanco EI, Abad-Vivero EN, Barrientos-Gutierrez I, Arillo-Santillán E, Pérez Hérnandez R, Unger JB, Thrasher JF. Movie Language Orientation, Gender, Movie Smoking Exposure, and Smoking Susceptibility among Youth in Mexico. Nicotine Tob Res. 2017 Jul 24. PMID: 29065195.
      View in: PubMed
    40. 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
    41. Escobedo P, Allem JP, Baezconde-Garbanati L, Unger JB. Cultural values associated with substance use among Hispanic emerging adults in Southern California. Addict Behav. 2018 Feb; 77:267-271. PMID: 28755765.
      View in: PubMed
    42. Allem JP, Escobedo P, Chu KH, Boley Cruz T, Unger JB. 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
    43. Booker CL, Rieger G, Unger JB. 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
    44. 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
    45. 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
    46. 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 JB, 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
    47. 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
    48. Grest CV, Amaro H, Unger J. Longitudinal Predictors of Intimate Partner Violence Perpetration and Victimization in Latino Emerging Adults. J Youth Adolesc. 2018 Mar; 47(3):560-574. PMID: 28382461.
      View in: PubMed
    49. Schwartz SJ, Unger JB, 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
    50. Lienemann BA, Unger JB, 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
    51. Forster M, Grigsby TJ, Soto DW, Sussman SY, Unger JB. Perceived discrimination, cultural identity development, and intimate partner violence among a sample of Hispanic young adults. Cultur Divers Ethnic Minor Psychol. 2017 Oct; 23(4):576-582. PMID: 28333477.
      View in: PubMed
    52. Ayers JW, Leas EC, Allem JP, Benton A, Dredze M, Althouse BM, Cruz TB, Unger JB. 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
    53. Meca A, Sabet RF, Farrelly CM, Benitez CG, Schwartz SJ, Gonzales-Backen M, Lorenzo-Blanco EI, Unger JB, 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
    54. Kong G, Unger J, Baezconde-Garbanati L, Sussman S. The Associations between Yelp Online Reviews and Vape Shops Closing or Remaining Open One Year Later. Tob Prev Cessat. 2017; 2(Suppl). PMID: 29057379.
      View in: PubMed
    55. Rendón AD, Unger JB, Cruz T, Soto DW, Baezconde-Garbanati L. Perceptions of Secondhand and Thirdhand Smoke Among Hispanic Residents of Multiunit Housing. J Immigr Minor Health. 2017 02; 19(1):162-169. PMID: 26545600.
      View in: PubMed
    56. Garcia R, Allem JP, Baezconde-Garbanati L, Unger JB, 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
    57. Miller KA, Huh J, Unger JB, 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
    58. Koops van 't Jagt R, Hoeks JCJ, Duizer E, Baron M, Molina GB, Unger JB, Jansen CJM. Sweet Temptations: How Does Reading a Fotonovela About Diabetes Affect Dutch Adults with Different Levels of Literacy? Health Commun. 2018 Mar; 33(3):284-290. PMID: 28094559.
      View in: PubMed
    59. Kirkpatrick MG, Cruz TB, Goldenson NI, Allem JP, Chu KH, Pentz MA, Unger JB. Electronic cigarette retailers use Pokémon Go to market products. Tob Control. 2017 Dec; 26(e2):e145-e147. PMID: 28044010.
      View in: PubMed
    60. Schwartz SJ, Unger JB, 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
    61. Lorenzo-Blanco EI, Meca A, Unger JB, 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
    62. Lorenzo-Blanco EI, Meca A, Unger JB, 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. 2017 Dec; 56(4):981-996. PMID: 27774629.
      View in: PubMed
    63. Cerrada CJ, Unger JB, Huh J. Correlates of Perceived Smoking Prevalence Among Korean American Emerging Adults. J Immigr Minor Health. 2016 10; 18(5):1183-9. PMID: 27075031.
      View in: PubMed
    64. Chu KH, Allem JP, Cruz TB, Unger JB. Vaping on Instagram: cloud chasing, hand checks and product placement. Tob Control. 2016 Sep; 26(5):575-578. PMID: 27660111.
      View in: PubMed
    65. Samet JM, Pentz MA, Unger JB. Flavoured tobacco products and the public's health: lessons from the TPSAC menthol report. Tob Control. 2016 11; 25(Suppl 2):ii103-ii105. PMID: 27633765.
      View in: PubMed
    66. Lam CN, Goldenson NI, Burner E, Unger JB. 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
    67. Allem JP, Sussman S, Unger JB. The Revised Inventory of the Dimensions of Emerging Adulthood (IDEA-R) and Substance Use Among College Students. Eval Health Prof. 2017 Dec; 40(4):401-408. PMID: 27468859.
      View in: PubMed
    68. Grigsby TJ, Unger JB, Molina GB, Baron M. Evaluation of an Audio-Visual Novela to Improve Beliefs, Attitudes and Knowledge toward Dementia: A Mixed-Methods Approach. Clin Gerontol. 2017 Mar-Apr; 40(2):130-138. PMID: 28452671.
      View in: PubMed
    69. Barrington-Trimis JL, Urman R, Leventhal AM, Gauderman WJ, Cruz TB, Gilreath TD, Howland S, Unger JB, 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].
    70. Barrington-Trimis JL, Urman R, Berhane K, Unger JB, 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].
    71. Sussman S, Allem JP, Garcia J, Unger JB, 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.
    72. Lorenzo-Blanco EI, Schwartz SJ, Unger JB, 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 12; 21(6):609-27. PMID: 27220730.
      View in: PubMed
    73. Córdova D, Schwartz SJ, Unger JB, 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].
    74. Unger JB, Barker D, Baezconde-Garbanati L, Soto DW, Sussman S. Support for electronic cigarette regulations among California voters. Tob Control. 2017 05; 26(3):334-337. PMID: 27207853.
      View in: PubMed
    75. 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
    76. Barrington-Trimis JL, Berhane K, Unger JB, 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].
    77. Allem JP, Unger JB. Emerging adulthood themes and hookah use among college students in Southern California. Addict Behav. 2016 10; 61:16-9. PMID: 27208879; PMCID: PMC4915989 [Available on 10/01/17].
    78. Unger JB, Soto DW, Leventhal A. E-cigarette use and subsequent cigarette and marijuana use among Hispanic young adults. Drug Alcohol Depend. 2016 06 01; 163:261-4. PMID: 27141841.
      View in: PubMed
    79. Pokhrel P, Fagan P, Herzog TA, Chen Q, Muranaka N, Kehl L, Unger JB. E-cigarette advertising exposure and implicit attitudes among young adult non-smokers. Drug Alcohol Depend. 2016 06 01; 163:134-40. PMID: 27125661.
      View in: PubMed
    80. Sussman S, Chou CP, Pang RD, Kirkpatrick M, Guillot CR, Stone M, Khoddam R, Riggs NR, Unger JB, 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.
      View in: PubMed
    81. Unger JB, 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
    82. Allem JP, Escobedo P, Chu KH, Soto DW, Cruz TB, Unger JB. Campaigns and counter campaigns: reactions on Twitter to e-cigarette education. Tob Control. 2017 03; 26(2):226-229. PMID: 26956467.
      View in: PubMed
    83. Allem JP, Sussman S, Soto DW, Baezconde-Garbanati L, Unger JB. 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].
    84. Grigsby TJ, Forster M, Unger JB, 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].
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    168. Fujimoto K, Unger JB, 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.
    169. Haile RW, John EM, Levine AJ, Cortessis VK, Unger JB, 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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    170. Barnett E, Spruijt-Metz D, Unger JB, 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.
    171. Unger JB. 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.
    172. Lisha NE, Sun P, Rohrbach LA, Spruijt-Metz D, Unger JB, 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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    173. Allem JP, Ayers JW, Unger JB, 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.
    174. Leventhal AM, Ray LA, Rhee SH, Unger JB. 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.
    175. Sun P, Unger JB, 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.
    176. Guo Q, Unger JB, 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.
    177. 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.
    178. Andreeva VA, Cockburn MG, Yaroch AL, Unger JB, 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.
    179. Hsu YW, Johnson CA, Chou CP, Unger JB, 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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    180. Baezconde-Garbanati LA, Weich-Reushé K, Espinoza L, Portugal C, Barahona R, Garbanati J, Seedat F, Unger JB. 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.
    181. Soto C, Unger JB, 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.
    182. Wagner KD, Lankenau SE, Palinkas LA, Richardson JL, Chou CP, Unger JB. 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.
    183. 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 JB, 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.
    184. Lorenzo-Blanco EI, Unger JB, 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.
    185. 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.
    186. Allen B, Cruz TB, Leonard E, Unger JB. 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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    187. Lac A, Unger JB, 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.
    188. Belcher BR, Nguyen-Rodriguez ST, McClain AD, Hsu YW, Unger JB, 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.
    189. Wagner KD, Lankenau SE, Palinkas LA, Richardson JL, Chou CP, Unger JB. 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.
    190. Andreeva VA, Yaroch AL, Unger JB, 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.
    191. Sakuma KL, Sun P, Unger JB, 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.
    192. 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.
    193. Wagner KD, Unger JB, 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.
    194. 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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    195. Xie B, Unger JB, 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.
    196. Unger JB, 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.
    197. Schwartz SJ, Unger JB, 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.
    198. Wagner KD, Ritt-Olson A, Chou CP, Pokhrel P, Duan L, Baezconde-Garbanati L, Soto DW, Unger JB. 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.
    199. Schwartz SJ, Unger JB. 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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    200. Unger JB, 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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    201. Okamoto J, Ritt-Olson A, Soto D, Baezconde-Garbanati L, Unger JB. Perceived discrimination and substance use among Latino adolescents. Am J Health Behav. 2009 Nov-Dec; 33(6):718-27. PMID: 19320620; PMCID: PMC3769114.
    202. Black DS, Sussman S, Unger JB. 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.
    203. Guo Q, Unger JB, 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.
    204. Nguyen-Rodriguez ST, Unger JB, Spruijt-Metz D. Psychological determinants of emotional eating in adolescence. Eat Disord. 2009 May-Jun; 17(3):211-24. PMID: 19391020; PMCID: PMC2859040.
    205. Unger JB, 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.
    206. Wagner KD, Valente TW, Casanova M, Partovi SM, Mendenhall BM, Hundley JH, Gonzalez M, Unger JB. 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.
    207. Andreeva VA, Unger JB, 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.
    208. Otsuki M, Tinsley BJ, Chao RK, Unger JB. 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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    209. Ma H, Unger JB, 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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    210. Sussman S, Unger JB, Palinkas LA. Country prototypes and translation of health programs. Eval Health Prof. 2008 Jun; 31(2):110-23. PMID: 18349351.
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    211. Unger JB, 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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    212. Pokhrel P, Unger JB, 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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    213. Wagner KD, Ritt-Olson A, Soto DW, Rodriguez YL, Baezconde-Garbanati L, Unger JB. 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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    214. Booker CL, Unger JB, 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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    215. Wagner KD, Ritt-Olson A, Soto DW, Unger JB. 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.
    216. Sun P, Unger JB, 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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    218. Andreeva VA, Unger JB, 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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    219. Nguyen-Rodriguez ST, Chou CP, Unger JB, 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.
    220. Valente TW, Ritt-Olson A, Stacy A, Unger JB, 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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    221. Unger JB, 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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    222. Booker CL, Unger JB, 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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    223. Fosados R, McClain A, Ritt-Olson A, Sussman S, Soto D, Baezconde-Garbanati L, Unger JB. 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.
    224. Johnson CA, Cen S, Gallaher P, Palmer PH, Xiao L, Ritt-Olson A, Unger JB. 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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    225. Allen B, Unger JB. 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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    226. Nguyen-Michel ST, Unger JB, Spruijt-Metz D. Dietary correlates of emotional eating in adolescence. Appetite. 2007 Sep; 49(2):494-9. PMID: 17466408; PMCID: PMC2020451.
    227. 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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    228. Unger JB, 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.
    229. 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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    230. 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 JB. 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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    231. Guo Q, Johnson CA, Unger JB, 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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    232. Lessov-Schlaggar CN, Pang Z, Swan GE, Guo Q, Wang S, Cao W, Unger JB, 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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    233. Sun W, Andreeva VA, Unger JB, 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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    234. Weiss JW, Cen S, Schuster DV, Unger JB, 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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    235. Hamilton AS, Lessov-Schlaggar CN, Cockburn MG, Unger JB, 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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    236. Unger JB, 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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    237. Grenard JL, Guo Q, Jasuja GK, Unger JB, 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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    238. Valente TW, Unger JB, 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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    239. Chou CP, Li Y, Unger JB, 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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    240. Unger JB, 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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    241. Unger JB, 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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    242. Hoffman BR, Sussman S, Unger JB, 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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    243. Spruijt-Metz D, Gallaher P, Unger JB, 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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    244. Sun P, Unger JB, 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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    245. Valente TW, Unger JB, 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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    246. 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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    247. Johnson CA, Unger JB, 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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    248. 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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    249. Weiss JW, Mouttapa M, Chou CP, Nezami E, Anderson Johnson C, Palmer PH, Cen S, Gallaher P, Ritt-Olson A, Azen S, Unger JB. Hostility, depressive symptoms, and smoking in early adolescence. J Adolesc. 2005 Feb; 28(1):49-62. PMID: 15683634.
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    250. Trinidad DR, Unger JB, 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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    251. 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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    252. 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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    253. Sun P, Unger JB, 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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    254. Shakib S, Zheng H, Johnson CA, Chen X, Sun P, Palmer PH, Yan L, Jie G, Unger JB. 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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    255. Unger JB, 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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    256. 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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    257. Stacy AW, Zogg JB, Unger JB, 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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    258. Booker CL, Gallaher P, Unger JB, 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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    259. Spruijt-Metz D, Gallaher PE, Unger JB, 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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    260. Unger JB, 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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    261. Ritt-Olson A, Milam J, Unger JB, 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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    262. Unger JB, 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.
    263. Unger JB, 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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    264. Unger JB, 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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    265. Sussman S, Unger JB. A "drug abuse" theoretical integration: a transdisciplinary speculation. Subst Use Misuse. 2004; 39(10-12):2055-69. PMID: 15587957.
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    266. Trinidad DR, Unger JB, 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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    267. Unger JB. 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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    268. Mouttapa M, Valente T, Gallaher P, Rohrbach LA, Unger JB. Social network predictors of bullying and victimization. Adolescence. 2004; 39(154):315-35. PMID: 15563041.
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    269. Unger JB, 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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    270. 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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    271. Chen X, Li G, Unger JB, 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.
    272. 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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    273. Mouttapa M, Huang TT, Shakib S, Sussman S, Unger JB. 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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    274. Unger JB, 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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    275. Shakib S, Mouttapa M, Johnson CA, Ritt-Olson A, Trinidad DR, Gallaher PE, Unger JB. Ethnic variation in parenting characteristics and adolescent smoking. J Adolesc Health. 2003 Aug; 33(2):88-97. PMID: 12890600.
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    276. 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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    277. Unger JB, 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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    278. Trinidad DR, Chou CP, Unger JB, 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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    279. Li C, Unger JB, 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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    280. Chen X, Zheng H, Steve S, Gong J, Stacy A, Xia J, Gallaher P, Dent C, Azen S, Shan J, Unger JB, 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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    281. Chen X, Unger JB, 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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    282. Rohrbach LA, Howard-Pitney B, Unger JB, 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.
    283. Unger JB, 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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    284. Chen X, Cruz TB, Schuster DV, Unger JB, 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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    285. Unger JB, 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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