Sandrah Proctor Eckel, PhD

Associate Professor of Population and Public Health Sciences

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Overview

I am an Associate Professor in the Division of Biostatistics of the Department of Population and Public Health Sciences at the University of Southern California (USC). My work focuses on on statistical methods and applications in environmental epidemiology and climate change and health. I led an NIEHS-funded R01 on statisical methods for exhaled nitric oxide and I led 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. I direct the PhD Program in Biostatistics at USC.

Education and Training

  • Johns Hopkins Bloomberg School of Public Health, Baltimore, MD — PhD — 2009 — Biostatistics

Research Funding

  • Statistical methods for exhaled breath biomarkers in environmental epidemiology
    NIH · R01ES027860 · Sep 30, 2017 – Jun 30, 2021 · Role: Principal Investigator
  • Pediatric Research using Integrated Sensor Monitoring Systems (PRISMS): Data and Software Coordination and Integration Center (DSCIC)
    NIH · U24EB021996 · Sep 30, 2015 – Sep 29, 2019 · Role: Multiple Principal Investigator
  • Methods for modeling air pollution effects on exhaled biomarkers
    NIH · K22ES022987 · Aug 15, 2013 – Jul 31, 2017 · Role: Principal Investigator

Publications

  • Self-Reported Sleep Quality in Late Pregnancy Is Associated With Early-Childhood Growth Trajectories in Children Aged 0-2 Years in Hispanic Populations. Am J Prev Med. 2027 Sep 22; 108546.. View in PubMed
  • Reductions in smoking progression from 10th to 12th grade across 5 cohorts in Southern California 1995-2014. Tob Induc Dis. 2026; 24.. View in PubMed
  • E-cigarette product characteristics and packaging features and interest in e-cigarette use: Results from a randomized within-person trial nested in three prospective cohorts. Drug Alcohol Depend. 2026 Oct 01; 287:113293.. View in PubMed
  • Prenatal fluoride exposure and motor development among infants in Los Angeles, California. Environ Res. 2026 Sep 15; 306(Pt 2):125235.. View in PubMed
  • Understanding the importance of social and environmental stressors in predicting maternal sleep quality during late pregnancy. Environ Res. 2026 Sep 01; 305(Pt 2):125013.. View in PubMed
  • Best-fit heat stress metric for modelling the heat-mortality relation across climatically distinct subregions of Southern California. Environ Res. 2026 Sep 01; 305(Pt 2):124987.. View in PubMed
  • Preconception and early-pregnancy exposure to ambient air pollution and trajectories of depressive symptoms during pregnancy. Environ Health. 2026 Jun 02.. View in PubMed
  • Estimating facility-level greenhouse gas emissions in U.S. hospitals with machine learning imputation of incomplete self-reported data. Clean Environ Syst. 2026 Sep; 22:100461.. View in PubMed
  • Maternal Heat Shock Protein as a Potential Biomarker of Adaptation to Heat Stress during Pregnancy and Its Relation to Preterm Birth. Environ Sci Technol. 2026 May 12; 60(18):13323-13332.. View in PubMed
  • Newborn metabolomics linking prenatal air pollution exposure and autism spectrum disorder risk in children. J Expo Sci Environ Epidemiol. 2026 Apr 27.. View in PubMed