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Sandrah Proctor Eckel, PhD

Title(s)Associate Professor of Preventive Medicine
AddressSSB 202B 2001 N. Soto Street
Health Sciences Campus
Los Angeles CA 90033
Phone+1 323 442 2030
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    Collapse Biography 
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    Johns Hopkins Bloomberg School of Public Health, Baltimore, MDPhD2009Biostatistics

    Collapse Overview 
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    I am an Associate Professor in the Division of Biostatistics of the Department of Preventive Medicine at the University of Southern California (USC). My work focuses on on statistical methods and applications in environmental epidemiology and exhaled breath biomarkers. I lead an NIEHS-funded R01 on statisical methods for exhaled nitric oxide and I lead the statistical group working on methods for sensor-based, integrated health monitoring systems for measuring environmental, physiological, and behavioral factors in epidemiological studies of asthma in children.

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    Statistical methods for exhaled breath biomarkers in environmental epidemiology
    NIH/NIEHS R01ES027860Sep 30, 2017 - Jun 30, 2020
    Role: Principal Investigator
    Pediatric Research using Integrated Sensor Monitoring Systems (PRISMS): Data and Software Coordination and Integration Center (DSCIC)
    NIH/NIBIB U24EB021996Sep 30, 2015 - Sep 29, 2019
    Role: Multiple Principal Investigator
    Methods for modeling air pollution effects on exhaled biomarkers
    NIH/NIEHS K22ES022987Aug 15, 2013 - Jul 31, 2016
    Role: Principal Investigator

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    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. to make corrections and additions.
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    Altmetrics Details PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. Environmental chemical burden in metabolic tissues and systemic biological pathways in adolescent bariatric surgery patients: A pilot untargeted metabolomic approach. Environ Int. 2020 Jul 16; 143:105957. Valvi D, Walker DI, Inge T, Bartell SM, Jenkins T, Helmrath M, Ziegler TR, La Merrill MA, Eckel SP, Conti D, Liang Y, Jones DP, McConnell R, Chatzi L. PMID: 32683211.
      View in: PubMed   Mentions:    Fields:    
    2. Information fraction estimation based on the number of events within the standard treatment regimen. Biom J. 2020 Jul 06. Dang HM, Alonzo T, Franklin M, Mack WJ, Krailo MD, Eckel SP. PMID: 32627859.
      View in: PubMed   Mentions:    Fields:    
    3. Patterns and determinants of exhaled nitric oxide trajectories in schoolchildren over a 7-year period. Eur Respir J. 2020 Jul; 56(1). Garcia E, Zhang Y, Rappaport EB, Berhane K, Muchmore P, Silkoff PE, Molshatzki N, Gilliland FD, Eckel SP. PMID: 32299857.
      View in: PubMed   Mentions:    Fields:    
    4. Biomedical REAl-Time Health Evaluation (BREATHE): toward an mHealth informatics platform. JAMIA Open. 2020 Jul; 3(2):190-200. Bui AAT, Hosseini A, Rocchio R, Jacobs N, Ross MK, Okelo S, Lurmann F, Eckel S, Dzubur E, Dunton G, Gilliland F, Sarrafzadeh M, Habre R. PMID: 32734159.
      View in: PubMed   Mentions:
    5. Compliance in controlled e-cigarette studies. Nicotine Tob Res. 2020 Jan 29. Rebuli ME, Liu F, Urman R, Barrington-Trimis JL, Eckel SP, McConnell R, Jaspers I. PMID: 31993664.
      View in: PubMed   Mentions:    Fields:    
    6. Conceptualizing Health Behaviors as Acute Mood-Altering Agents: Implications for Cancer Control. Cancer Prev Res (Phila). 2020 Apr; 13(4):343-350. Dunton GF, Kaplan JT, Monterosso J, Pang RD, Mason TB, Kirkpatrick MG, Eckel SP, Leventhal AM. PMID: 31948998.
      View in: PubMed   Mentions:    Fields:    
    7. Impact of different fixed flow sampling protocols on flow-independent exhaled nitric oxide parameter estimates using the Bayesian dynamic two-compartment model. Physiol Rep. 2020 01; 8(1):e14336. Muchmore P, Xu S, Marjoram P, Rappaport EB, Weng J, Molshatzki N, Eckel SP. PMID: 31960619.
      View in: PubMed   Mentions:    Fields:    
    8. Gestational diabetes mellitus, prenatal air pollution exposure, and autism spectrum disorder. Environ Int. 2019 12; 133(Pt A):105110. Jo H, Eckel SP, Chen JC, Cockburn M, Martinez MP, Chow T, Lurmann FW, Funk WE, Xiang AH, McConnell R. PMID: 31610366.
      View in: PubMed   Mentions: 1     Fields:    Translation:HumansPHPublic Health
    9. Assessment of Respiratory Health Symptoms and Asthma in Children near a Drying Saline Lake. Int J Environ Res Public Health. 2019 10 11; 16(20). Farzan SF, Razafy M, Eckel SP, Olmedo L, Bejarano E, Johnston JE. PMID: 31614424.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    10. Sex-specific associations of autism spectrum disorder with residential air pollution exposure in a large Southern California pregnancy cohort. Environ Pollut. 2019 Nov; 254(Pt A):113010. Jo H, Eckel SP, Wang X, Chen JC, Cockburn M, Martinez MP, Chow T, Molshatzki N, Lurmann FW, Funk WE, Xiang AH, McConnell R. PMID: 31554142.
      View in: PubMed   Mentions: 4     Fields:    Translation:HumansPHPublic Health
    11. Associations of gestational diabetes mellitus with residential air pollution exposure in a large Southern California pregnancy cohort. Environ Int. 2019 09; 130:104933. Jo H, Eckel SP, Chen JC, Cockburn M, Martinez MP, Chow T, Lurmann F, Funk WE, McConnell R, Xiang AH. PMID: 31234004.
      View in: PubMed   Mentions: 1     Fields:    Translation:HumansPHPublic Health
    12. Study Design, Protocol and Profile of the Maternal And Developmental Risks from Environmental and Social Stressors (MADRES) Pregnancy Cohort: a Prospective Cohort Study in Predominantly Low-Income Hispanic Women in Urban Los Angeles. BMC Pregnancy Childbirth. 2019 May 30; 19(1):189. Bastain TM, Chavez T, Habre R, Girguis MS, Grubbs B, Toledo-Corral C, Amadeus M, Farzan SF, Al-Marayati L, Lerner D, Noya D, Quimby A, Twogood S, Wilson M, Chatzi L, Cousineau M, Berhane K, Eckel SP, Lurmann F, Johnston J, Dunton GF, Gilliland F, Breton C. PMID: 31146718.
      View in: PubMed   Mentions: 1     Fields:    Translation:HumansPHPublic Health
    13. Understanding the importance of key risk factors in predicting chronic bronchitic symptoms using a machine learning approach. BMC Med Res Methodol. 2019 03 29; 19(1):70. Deng H, Urman R, Gilliland FD, Eckel SP. PMID: 30925901.
      View in: PubMed   Mentions: 1     Fields:    Translation:HumansPHPublic Health
    14. Within-subject effects of environmental and social stressors on pre- and post-partum obesity-related biobehavioral responses in low-income Hispanic women: protocol of an intensive longitudinal study. BMC Public Health. 2019 Feb 28; 19(1):253. O'Connor SG, Habre R, Bastain TM, Toledo-Corral CM, Gilliland FD, Eckel SP, Cabison J, Naya CH, Farzan SF, Chu D, Chavez TA, Breton CV, Dunton GF. PMID: 30819155.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    15. Applying Multivariate Segmentation Methods to Human Activity Recognition From Wearable Sensors' Data. JMIR Mhealth Uhealth. 2019 02 07; 7(2):e11201. Li K, Habre R, Deng H, Urman R, Morrison J, Gilliland FD, Ambite JL, Stripelis D, Chiang YY, Lin Y, Bui AA, King C, Hosseini A, Vliet EV, Sarrafzadeh M, Eckel SP. PMID: 30730297.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    16. Association of Prenatal Exposure to Ambient and Traffic-Related Air Pollution With Newborn Thyroid Function: Findings From the Children's Health Study. JAMA Netw Open. 2018 09 07; 1(5):e182172. Howe CG, Eckel SP, Habre R, Girguis MS, Gao L, Lurmann FW, Gilliland FD, Breton CV. PMID: 30646156.
      View in: PubMed   Mentions: 3     Fields:    Translation:HumansPHPublic Health
    17. RISK EFFECTS OF NEAR-ROADWAY POLLUTANTS AND ASTHMA STATUS ON BRONCHITIC SYMPTOMS IN CHILDREN. Environ Epidemiol. 2018 Jun; 2(2). Urman R, Eckel S, Deng H, Berhane K, Avol E, Lurmann F, McConnell R, Gilliland F. PMID: 30519674.
      View in: PubMed   Mentions:
    18. Short-term effects of airport-associated ultrafine particle exposure on lung function and inflammation in adults with asthma. Environ Int. 2018 09; 118:48-59. Habre R, Zhou H, Eckel SP, Enebish T, Fruin S, Bastain T, Rappaport E, Gilliland F. PMID: 29800768.
      View in: PubMed   Mentions: 5     Fields:    Translation:HumansPHPublic Health
    19. Distributed representation of pelvic floor muscles in human motor cortex. Sci Rep. 2018 05 08; 8(1):7213. Yani MS, Wondolowski JH, Eckel SP, Kulig K, Fisher BE, Gordon JE, Kutch JJ. PMID: 29740105.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    20. Association Between Air Pollution Exposure, Cognitive and Adaptive Function, and ASD Severity Among Children with Autism Spectrum Disorder. J Autism Dev Disord. 2018 01; 48(1):137-150. Kerin T, Volk H, Li W, Lurmann F, Eckel S, McConnell R, Hertz-Picciotto I. PMID: 28921105.
      View in: PubMed   Mentions: 3     Fields:    Translation:HumansPHPublic Health
    21. Mining Public Datasets for Modeling Intra-City PM2.5 Concentrations at a Fine Spatial Resolution. Proc ACM SIGSPATIAL Int Conf Adv Inf. 2017 Nov; 2017. Lin Y, Stripelis D, Chiang YY, Ambite JL, Habre R, Pan F, Eckel SP. PMID: 29527599.
      View in: PubMed   Mentions:
    22. Genetic and epigenetic susceptibility of airway inflammation to PM2.5 in school children: new insights from quantile regression. Environ Health. 2017 08 18; 16(1):88. Zhang Y, Salam MT, Berhane K, Eckel SP, Rappaport EB, Linn WS, Habre R, Bastain TM, Gilliland FD. PMID: 28821285.
      View in: PubMed   Mentions:    Fields:    Translation:HumansPHPublic Health
    23. Bayesian estimation of physiological parameters governing a dynamic two-compartment model of exhaled nitric oxide. Physiol Rep. 2017 Aug; 5(15). Muchmore P, Rappaport EB, Eckel SP. PMID: 28774947.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    24. Particulate matter air pollution and liver cancer survival. Int J Cancer. 2017 08 15; 141(4):744-749. Deng H, Eckel SP, Liu L, Lurmann FW, Cockburn MG, Gilliland FD. PMID: 28589567.
      View in: PubMed   Mentions: 5     Fields:    Translation:HumansPHPublic Health
    25. A Scalable Data Integration and Analysis Architecture for Sensor Data of Pediatric Asthma. Proc Int Conf Data Eng. 2017 Apr; 2017:1407-1408. Stripelis D, Ambite JL, Chiang YY, Eckel SP, Habre R. PMID: 29731601.
      View in: PubMed   Mentions:
    26. Optimal flow rate sampling designs for studies with extended exhaled nitric oxide analysis. J Breath Res. 2017 Feb 22; 11(1):016012. Molshatski N, Eckel SP. PMID: 28104897.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    27. Air pollution affects lung cancer survival. Thorax. 2016 10; 71(10):891-8. Eckel SP, Cockburn M, Shu YH, Deng H, Lurmann FW, Liu L, Gilliland FD. PMID: 27491839.
      View in: PubMed   Mentions: 15     Fields:    Translation:HumansPHPublic Health
    28. Correction: Inducible Nitric Oxide Synthase Promoter Haplotypes and Residential Traffic-Related Air Pollution Jointly Influence Exhaled Nitric Oxide Level in Children. PLoS One. 2016; 11(5):e0155567. Salam MT, Lin PC, Eckel SP, Gauderman WJ, Gilliland FD. PMID: 27159012.
      View in: PubMed   Mentions:    Fields:    
    29. Phase 2 study of concurrent radiotherapy and temozolomide followed by temozolomide and lomustine in the treatment of children with high-grade glioma: a report of the Children's Oncology Group ACNS0423 study. Neuro Oncol. 2016 10; 18(10):1442-50. Jakacki RI, Cohen KJ, Buxton A, Krailo MD, Burger PC, Rosenblum MK, Brat DJ, Hamilton RL, Eckel SP, Zhou T, Lavey RS, Pollack IF. PMID: 27006176.
      View in: PubMed   Mentions: 15     Fields:    Translation:HumansCTClinical Trials
    30. Traffic-related air pollution and alveolar nitric oxide in southern California children. Eur Respir J. 2016 05; 47(5):1348-56. Eckel SP, Zhang Z, Habre R, Rappaport EB, Linn WS, Berhane K, Zhang Y, Bastain TM, Gilliland FD. PMID: 26797034.
      View in: PubMed   Mentions: 1     Fields:    Translation:HumansPHPublic Health
    31. Inducible Nitric Oxide Synthase Promoter Haplotypes and Residential Traffic-Related Air Pollution Jointly Influence Exhaled Nitric Oxide Level in Children. PLoS One. 2015; 10(12):e0145363. Salam MT, Lin PC, Eckel SP, Gauderman WJ, Gilliland FD. PMID: 26714306.
      View in: PubMed   Mentions: 3     Fields:    Translation:HumansCellsPHPublic Health
    32. Determinants of Children's Exhaled Nitric Oxide: New Insights from Quantile Regression. PLoS One. 2015; 10(7):e0130505. Zhang Y, Berhane K, Eckel SP, Salam MT, Linn WS, Rappaport EB, Bastain TM, Gilliland FD. PMID: 26214692.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    33. Exhaled NO: Determinants and Clinical Application in Children With Allergic Airway Disease. Allergy Asthma Immunol Res. 2016 Jan; 8(1):12-21. Kim HB, Eckel SP, Kim JH, Gilliland FD. PMID: 26540497.
      View in: PubMed   Mentions:
    34. A pilot study using carboplatin, vincristine, and temozolomide in children with progressive/symptomatic low-grade glioma: a Children's Oncology Group study†. Neuro Oncol. 2015 Aug; 17(8):1132-8. Chintagumpala M, Eckel SP, Krailo M, Morris M, Adesina A, Packer R, Lau C, Gajjar A. PMID: 25854526.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    35. Chronic effects of air pollution on respiratory health in Southern California children: findings from the Southern California Children's Health Study. J Thorac Dis. 2015 Jan; 7(1):46-58. Chen Z, Salam MT, Eckel SP, Breton CV, Gilliland FD. PMID: 25694817.
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    36. The cardiopulmonary effects of ambient air pollution and mechanistic pathways: a comparative hierarchical pathway analysis. PLoS One. 2014; 9(12):e114913. Roy A, Gong J, Thomas DC, Zhang J, Kipen HM, Rich DQ, Zhu T, Huang W, Hu M, Wang G, Wang Y, Zhu P, Lu SE, Ohman-Strickland P, Diehl SR, Eckel SP. PMID: 25502951.
      View in: PubMed   Mentions: 9     Fields:    Translation:Humans
    37. Spirometry effects on conventional and multiple flow exhaled nitric oxide in children. J Asthma. 2015 Mar; 52(2):198-204. Eckel SP, Linn WS, Salam MT, Bastain TM, Zhang Y, Rappaport EB, Liu M, Berhane K. PMID: 25134783.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    38. Longitudinal effects of air pollution on exhaled nitric oxide: the Children's Health Study. Occup Environ Med. 2014 Jul; 71(7):507-13. Berhane K, Zhang Y, Salam MT, Eckel SP, Linn WS, Rappaport EB, Bastain TM, Lurmann F, Gilliland FD. PMID: 24696513.
      View in: PubMed   Mentions: 14     Fields:    Translation:HumansCellsPHPublic Health
    39. On the importance of statistics in breath analysis--hope or curse? J Breath Res. 2014 Mar; 8(1):012001. Eckel SP, Baumbach J, Hauschild AC. PMID: 24565974.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    40. Global trade, local impacts: lessons from California on health impacts and environmental justice concerns for residents living near freight rail yards. Int J Environ Res Public Health. 2014 Feb 10; 11(2):1914-41. Hricko A, Rowland G, Eckel S, Logan A, Taher M, Wilson J. PMID: 24518649.
      View in: PubMed   Mentions: 7     Fields:    Translation:HumansPHPublic Health
    41. Estimation of parameters in the two-compartment model for exhaled nitric oxide. PLoS One. 2014; 9(1):e85471. Eckel SP, Linn WS, Berhane K, Rappaport EB, Salam MT, Zhang Y, Gilliland FD. PMID: 24465571.
      View in: PubMed   Mentions: 8     Fields:    Translation:Humans
    42. Fraction of exhaled nitric oxide values in childhood are associated with 17q11.2-q12 and 17q12-q21 variants. J Allergy Clin Immunol. 2014 Jul; 134(1):46-55. van der Valk RJ, Duijts L, Timpson NJ, Salam MT, Standl M, Curtin JA, Genuneit J, Kerhof M, Kreiner-Møller E, Cáceres A, Gref A, Liang LL, Taal HR, Bouzigon E, Demenais F, Nadif R, Ober C, Thompson EE, Estrada K, Hofman A, Uitterlinden AG, van Duijn C, Rivadeneira F, Li X, Eckel SP, Berhane K, Gauderman WJ, Granell R, Evans DM, St Pourcain B, McArdle W, Kemp JP, Smith GD, Tiesler CM, Flexeder C, Simpson A, Murray CS, Fuchs O, Postma DS, Bønnelykke K, Torrent M, Andersson M, Sleiman P, Hakonarson H, Cookson WO, Moffatt MF, Paternoster L, Melén E, Sunyer J, Bisgaard H, Koppelman GH, Ege M, Custovic A, Heinrich J, Gilliland FD, Henderson AJ, Jaddoe VW, de Jongste JC. PMID: 24315451.
      View in: PubMed   Mentions: 12     Fields:    Translation:HumansCells
    43. Multiple-flow exhaled nitric oxide, allergy, and asthma in a population of older children. Pediatr Pulmonol. 2013 Sep; 48(9):885-96. Linn WS, Rappaport EB, Eckel SP, Berhane KT, Zhang Y, Salam MT, Bastain TM, Gilliland FD. PMID: 23687084.
      View in: PubMed   Mentions: 10     Fields:    Translation:Humans
    44. Single high flow exhaled nitric oxide is an imperfect proxy for distal nitric oxide. Occup Environ Med. 2013 Jul; 70(7):519-20. Eckel SP, Salam MT. PMID: 23645622.
      View in: PubMed   Mentions: 5     Fields:    Translation:HumansPHPublic Health
    45. Limit on the electron electric dipole moment using paramagnetic ferroelectric Eu0.5Ba0.5TiO3. Phys Rev Lett. 2012 Nov 09; 109(19):193003. Eckel S, Sushkov AO, Lamoreaux SK. PMID: 23215379.
      View in: PubMed   Mentions: 1     Fields:    
    46. Linking In-Vehicle Ultrafine Particle Exposures to On-Road Concentrations. Atmos Environ (1994). 2012 Nov 01; 59:578-586. Hudda N, Eckel SP, Knibbs LD, Sioutas C, Delfino RJ, Fruin SA. PMID: 23888122.
      View in: PubMed   Mentions: 9     Fields:    
    47. Modification of the association between ambient air pollution and lung function by frailty status among older adults in the Cardiovascular Health Study. Am J Epidemiol. 2012 Aug 01; 176(3):214-23. Eckel SP, Louis TA, Chaves PH, Fried LP, Margolis AH. PMID: 22811494.
      View in: PubMed   Mentions: 13     Fields:    Translation:HumansPHPublic Health
    48. Note: A high dynamic range, linear response transimpedance amplifier. Rev Sci Instrum. 2012 Feb; 83(2):026106. Eckel S, Sushkov AO, Lamoreaux SK. PMID: 22380140.
      View in: PubMed   Mentions:    Fields:    
    49. Genetic and epigenetic variations in inducible nitric oxide synthase promoter, particulate pollution, and exhaled nitric oxide levels in children. J Allergy Clin Immunol. 2012 Jan; 129(1):232-9.e1-7. Salam MT, Byun HM, Lurmann F, Breton CV, Wang X, Eckel SP, Gilliland FD. PMID: 22055874.
      View in: PubMed   Mentions: 48     Fields:    Translation:HumansCellsPHPublic Health
    50. Residential traffic-related pollution exposures and exhaled nitric oxide in the children's health study. Environ Health Perspect. 2011 Oct; 119(10):1472-7. Eckel SP, Berhane K, Salam MT, Rappaport EB, Linn WS, Bastain TM, Zhang Y, Lurmann F, Avol EL, Gilliland FD. PMID: 21708511.
      View in: PubMed   Mentions: 23     Fields:    Translation:HumansPHPublic Health
    51. Surrogate screening models for the low physical activity criterion of frailty. Aging Clin Exp Res. 2011 Jun; 23(3):209-16. Eckel SP, Bandeen-Roche K, Chaves PH, Fried LP, Louis TA. PMID: 21993168.
      View in: PubMed   Mentions: 12     Fields:    Translation:Humans
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