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Eric Pedersen, PhD

Della Martin Associate Professor of Psychiatry and the Behavioral Sciences

Associate Professor of Population and Public Health Sciences and Psychology

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Email [email protected]
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Education and Training

  • University of Washington, Seattle, WA — Ph.D. — 06/2012 — Clinical Psychology
  • Boston University, Boston, MA — MA — 05/2004 — Psychology
  • Siena College, Loudonville, NY — BA — 05/2003 — Psychology

Research Funding

  • A Brief Mobile Intervention to Address Prenatal Cannabis Use
    NIH · R34DA063961 · Apr 1, 2026 – Mar 31, 2029 · Role: Principal Investigator
  • Evaluating Telehealth Delivery of Brief Alcohol Screening and Intervention for College Students
    NIH · R01AA031252 · Aug 20, 2024 – Jul 31, 2029 · Role: Co-Principal Investigator
  • Multimethod Examination of Individual and Environmental Factors Associated with Alcohol Use and Behavioral Health Care Disparities Among Racial/Ethnic Minority and Women Veterans
    NIH · R01AA031037 · Sep 25, 2023 – Jun 30, 2028 · Role: Co-Principal Investigator
  • A Mobile App to Address Co-Occurring Sleep Problems and Heavy Alcohol Use among Veterans Outside of Care Settings
    NIH · R34AA030868 · Sep 15, 2023 – Aug 31, 2026 · Role: Principal Investigator
  • A Mobile-Based Intervention to Address Heavy Drinking and Binge Eating in College Students
    NIH · R34AA030655 · May 1, 2023 – Apr 30, 2026 · Role: Principal Investigator
  • Development of a Mobile Mindfulness Intervention for Alcohol Use Disorder and PTSD among OEF/OIF Veterans
    NIH · R34AA027845 · Sep 15, 2020 – Aug 31, 2023 · Role: Co-Principal Investigator
  • Improving the Implementation of Evidence-based Drug Prevention Programs in Schools
    NIH · R01DA048910 · May 1, 2020 – Mar 31, 2026 · Role: Co-Principal Investigator
  • Preventing Alcohol Misuse among Young Adult Veterans through Brief Online Intervention
    NIH · R01AA026575 · Apr 20, 2019 – Mar 31, 2024 · Role: Principal Investigator
  • Associations of Exposure to Marijuana Outlets and Advertising with Marijuana Use Outcomes Among Young Adults
    NIH · R21DA047501 · Jan 15, 2019 – Dec 31, 2020 · Role: Principal Investigator
  • Mobile Application Intervention Targeting the High Risk Drinking Practice of Prepartying
    NIH · R34AA025968 · Sep 10, 2018 – Aug 31, 2021 · Role: Principal Investigator
  • Online Intervention to Prevent Risky Behaviors During College Student Study Abroad Experiences
    NIH · R01AA025909 · Aug 5, 2017 – Jun 30, 2021 · Role: Principal Investigator
  • Brief Online Intervention to Reduce Heavy Alcohol Use Among Young Adult Veterans
    NIH · R34AA022400 · Sep 20, 2013 – Aug 31, 2017 · Role: Principal Investigator
  • Brief Preventive Drinking Intervention for Study Abroad College Students
    NIH · F31AA018591 · Sep 30, 2009 – Sep 29, 2012 · Role: Principal Investigator

Publications

  • The Effects of Alcohol Intoxication on Sexual Risk Behavior in Men Who Have Sex with Men: Considering PrEP, HIV Viral Load, and Inhibition Conflict. AIDS Behav. 2026 Jul 22.. View in PubMed
  • A randomized controlled trial of a brief online intervention to reduce alcohol misuse and promote treatment initiation among veterans. J Consult Clin Psychol. 2026 Jul 20.. View in PubMed
  • Use of Cannabis Protective Behavioral Strategies During Pregnancy. Cannabis. 2026; 9(2):12-25.. View in PubMed
  • Prevalence and Correlates of Condom Use Resistance Among Men Who Have Sex with Men Reporting Recent Heavy Alcohol Use and Condomless Sex. J Sex Res. 2026 Jun 24; 1.. View in PubMed
  • Alcohol-free and low-alcohol beverage consumption and concurrent and subsequent alcohol outcomes among young adults. Addiction. 2026 Jun 19.. View in PubMed
  • Adolescent Depressive Symptoms Predict Increased Binge Drinking in Emerging Adulthood: Moderation by Sexuality and Socioeconomic Status. J Stud Alcohol Drugs. 2026 May 07.. View in PubMed
  • When military-to-civilian transition support falls short: A qualitative assessment of transition needs among U.S. Veterans. Mil Psychol. 2026 Mar 19; 1.. View in PubMed
  • The feasibility and acceptability of Live Free From E-Cigarettes (LIFFE): A web-based vaping intervention and smoking prevention program for young adults. Psychol Addict Behav. 2026 May; 40(3):358-365.. View in PubMed
  • For Whom Does Chemsex Increase Sexual Risk? Considering Pre-Exposure Prophylaxis (PrEP), Antiretroviral Therapy (ART), and the Dual Control Model. Subst Use Misuse. 2026 Feb 28; 1.. View in PubMed
  • Childhood trauma and everyday discrimination: Associations with psychological and physiological health. Mil Psychol. 2026 Feb 25; 1.. View in PubMed
  • Cannabis dispensary exposure and smoked, vaped and edible cannabis use among young adults: Comparison of web-scraped and government-maintained registries. Addiction. 2026 Jul; 121(7):1770-1780.. View in PubMed
  • Daily Associations Between Perceived Stress, Pain Intensity, and Alcohol Use Among Veterans With and Without Moderate-to-Severe Chronic Pain. Stress Health. 2026 Feb; 42(1):e70153.. View in PubMed
  • Longitudinal assessment of anger trajectories following childhood trauma and combat exposure: Associations with PTSD and alcohol use disorder symptoms. Mil Psychol. 2026 Jan 07; 1.. View in PubMed
  • Precision prediction of posttraumatic stress disorder symptom surges: A pilot study integrating real-time daily data with supervised learning. J Trauma Stress. 2026 Apr; 39(2):319-329.. View in PubMed
  • More high, less low? PTSD and the complex daily associations between cannabis use and depression in veterans. Addict Behav. 2026 Apr; 175:108593.. View in PubMed
  • Mediating pathways from potentially morally injurious events to PTSD: A longitudinal cohort study of U.S. post-9/11 veterans. J Psychiatr Res. 2026 Feb; 193:561-569.. View in PubMed
  • An integrated personalized feedback intervention for community adults with hazardous alcohol use, elevated anxiety sensitivity, and subclinical PTSD symptoms. Behav Res Ther. 2026 01; 196:104935.. View in PubMed
  • Cannabis Products and Use Patterns Associated with Cannabis Use Disorder Symptoms Among Youth in Southern California. Cannabis. 2025; 8(3):89-102.. View in PubMed
  • A remote measurement study of PTSD and cannabis use among veterans: Recruitment, retention, and data availability. PLoS One. 2025; 20(9):e0332239.. View in PubMed
  • Seeking relief or fueling the fire? Understanding the complex role of cannabis in PTSD, stress, and sleep dysregulation. Psychol Addict Behav. 2026 Mar; 40(2):209-217.. View in PubMed
  • “My Body Will Remember What My Mind Wants to Forget”: Towards a Bio-cultural Vulnerability Model of Veteran Multi-morbidity. Cult Med Psychiatry. 2025 Dec; 49(4):1176-1195.. View in PubMed
  • High potency cannabis flower use is associated with heavier consumption and risk for cannabis use disorder among young adults in California, United States. Addiction. 2025 Nov; 120(11):2329-2334.. View in PubMed
  • Investigating Change in Psychosocial Outcomes for Young Adults Experiencing Homelessness in Los Angeles With and Without Pregnancy Experiences. Perspect Sex Reprod Health. 2025 09; 57(3):329-339.. View in PubMed
  • Developing a Mock Retail Cannabis Shop for Research: A Description of The CANNEX. Cannabis. 2025; 8(2):51-66.. View in PubMed
  • Daily associations between posttraumatic stress disorder, cannabis use, and negative affect among veterans. Psychiatry Res. 2025 Sep; 351:116626.. View in PubMed
  • Cognitive behavioral therapy for insomnia among heavy-drinking veterans: a randomized pilot trial. Sleep Adv. 2025 Apr; 6(2):zpaf037.. View in PubMed
  • Using ecological momentary data to inform a web-based intervention for romantic partners concerned about their loved ones’ drinking: Study protocol. Contemp Clin Trials Commun. 2025 Aug; 46:101495.. View in PubMed
  • A novel online vaping intervention and smoking prevention program for young adults who vape: protocol for a randomized controlled trial. Addict Sci Clin Pract. 2025 04 21; 20(1):36.. View in PubMed
  • Binge drinking and veteran status increase risk for suicide planning in U.S. adults. Psychol Addict Behav. 2025 Nov; 39(7):620-631.. View in PubMed
  • Daily associations between sleep quality, stress, and cannabis or alcohol use among veterans. Drug Alcohol Depend. 2025 Jun 01; 271:112661.. View in PubMed
  • Effects of a mobile mindfulness smartphone app on posttraumatic stress disorder symptoms and alcohol use problems for veterans: A pilot randomized controlled trial. J Consult Clin Psychol. 2025 Feb; 93(2):96-109.. View in PubMed
  • Protective behavioral strategies and alcohol consequences following a group-based motivational intervention for young adults experiencing homelessness. Psychol Addict Behav. 2025 Sep; 39(6):516-527.. View in PubMed
  • Associations Between Food Restriction, Alcohol and Marijuana Use and Co-Use, and Consequences Among College Students. Subst Use Misuse. 2025; 60(5):704-714.. View in PubMed
  • Use of cannabis to manage symptoms of mental and physical health conditions during pregnancy: analysis of a pro-cannabis pregnancy forum. Front Psychiatry. 2024; 15:1478505.. View in PubMed
  • Military sexual trauma, childhood trauma, and combat trauma: Associations with longitudinal posttraumatic growth among U.S. Veterans. Psychol Trauma. 2025 Jul; 17(5):931-940.. View in PubMed
  • Reducing Alcohol Misuse and Promoting Treatment Initiation Among Veterans Through a Brief Internet-Based Intervention: Protocol for a Randomized Controlled Trial. JMIR Res Protoc. 2024 08 22; 13:e59993.. View in PubMed
  • Alcohol use disorder, cannabis use disorder, and eating disorder symptoms among male and female college students. Am J Addict. 2025 01; 34(1):40-49.. View in PubMed
  • Sexual Violence Victimization and Pregaming Protective Behavioral Strategies Among College Students. Subst Use Misuse. 2024; 59(13):1879-1885.. View in PubMed
  • Using Passive and Active Data to Predict Post-Traumatic Stress Disorder Symptoms and Cannabis Use in Recently Discharged UK Veterans: A Protocol for the MAVERICK Feasibility Study. Mental Health Sci. 2024 Sep; 2(3).. View in PubMed
  • In flux: Associations of substance use with instability in housing, employment, and income among young adults experiencing homelessness. PLoS One. 2024; 19(5):e0303439.. View in PubMed
  • Order of Cannabis and Alcohol Use on Pregaming and Non-Pregaming Days Among College Students. J Stud Alcohol Drugs. 2024 Sep; 85(5):728-736.. View in PubMed
  • Understanding effects of the group process on drinking outcomes for emerging adults experiencing homelessness. Alcohol Clin Exp Res (Hoboken). 2024 Mar; 48(3):556-566.. View in PubMed
  • A Deeper Dive into Young Adults’ Experiences with E-Cigarettes, E-Cigarette Cessation, and Transitioning to Cigarette Smoking. Subst Use Misuse. 2024; 59(6):937-946.. View in PubMed
  • An Examination of Pregaming Behavior and Motives among Sexual and Gender Minority College Students. Subst Use Misuse. 2024; 59(6):953-961.. View in PubMed
  • Trajectories of alcohol and cannabis use among emerging adults with a history of unstable housing: Associations with functioning over a two-year period. Drug Alcohol Depend. 2024 03 01; 256:111117.. View in PubMed
  • Association of over the counter “hangover remedy” use with alcohol use problems and consumption patterns among young adults. Alcohol Alcohol. 2024 Jan 17; 59(2).. View in PubMed
  • A latent profile analysis of social anxiety, depression, and pregaming motives among heavy-drinking college students. Alcohol Clin Exp Res (Hoboken). 2024 Jan; 48(1):142-152.. View in PubMed
  • Bidirectional Associations Between Pain and Perceived Stress Among Veterans: Depressive Disorder as a Predisposing Factor. Psychosom Med. 2024 Jan 01; 86(1):44-51.. View in PubMed
  • Using Latent Profile Analysis to Examine Cannabis Use Contexts: Associations with Use, Consequences, and Protective Behaviors. Subst Use Misuse. 2024; 59(2):208-217.. View in PubMed
  • Longitudinal associations among experiences of sexual assault, posttraumatic stress disorder symptoms, and heavy drinking in young adults. J Trauma Stress. 2024 04; 37(2):243-256.. View in PubMed
  • Directional associations between posttraumatic stress disorder symptoms and cannabis use in young adults: Uncovering variation by sex, race, and ethnicity. Psychol Addict Behav. 2023 Dec; 37(8):1052-1065.. View in PubMed
  • Associations between service use and behavioral health trajectories among young adults experiencing homelessness. Child Youth Serv Rev. 2024 Jan; 156.. View in PubMed
  • Sober Curiosity and Participation in Temporary Alcohol Abstinence Challenges in a Cohort of U.S. Emerging Adults. J Stud Alcohol Drugs. 2024 Mar; 85(2):201-209.. View in PubMed
  • Predictors of Housing Trajectories Among Young Adults Experiencing Homelessness in Los Angeles. J Behav Health Serv Res. 2024 01; 51(1):31-43.. View in PubMed
  • Barriers and Facilitators to Behavioral Healthcare for Women Veterans: a Mixed-Methods Analysis of the Current Landscape. J Behav Health Serv Res. 2024 04; 51(2):164-184.. View in PubMed
  • A randomized controlled trial of a brief motivational interviewing-based group intervention for emerging adults experiencing homelessness: 24-month effects on alcohol use. Psychol Addict Behav. 2024 May; 38(3):269-276.. View in PubMed
  • Sociodemographic and Behavioral Risk Correlates of PrEP Interest and Use Among Young Adults Experiencing Homelessness in Los Angeles. AIDS Behav. 2024 Apr; 28(4):1216-1226.. View in PubMed
  • Study protocol for a sequential multiple assignment randomized trial to reduce risky drinking among service members and their partners. Contemp Clin Trials. 2023 10; 133:107324.. View in PubMed
  • Unpacking disparities in substance-related outcomes among racial, ethnic, sexual, and gender minoritized groups during adolescence and emerging adulthood. Psychol Addict Behav. 2023 Aug; 37(5):651-656.. View in PubMed
  • Associations between trauma-related guilt, symptoms of posttraumatic stress disorder, and problematic alcohol use. Psychiatry Res. 2023 08; 326:115350.. View in PubMed
  • Informing the development of interventions for e-cigarette use and prevention of transition to cigarette smoking in young adults: A qualitative study. Prev Med Rep. 2023 Oct; 35:102332.. View in PubMed
  • Cigarette Smoking and Depression Among U.S. Veterans: Longitudinal Associations With Posttraumatic Stress Disorder. Nicotine Tob Res. 2023 07 14; 25(8):1496-1504.. View in PubMed
  • Pain Trajectories among U.S. Veterans During COVID-19. J Pain. 2023 11; 24(11):2093-2102.. View in PubMed
  • A randomized controlled trial of a brief motivational interviewing-based group intervention for emerging adults experiencing homelessness: 12-Month effects on substance use and sexual risk behavior. J Subst Use Addict Treat. 2023 09; 152:209114.. View in PubMed
  • Longitudinal associations between insomnia, cannabis use and stress among US veterans. J Sleep Res. 2024 02; 33(1):e13945.. View in PubMed
  • Childhood adversity and developmental trajectories of alcohol and cannabis co-use. Child Abuse Negl. 2023 07; 141:106238.. View in PubMed
  • Preliminary development of the protective behavioral strategies for vaping scale. Addict Behav. 2023 09; 144:107728.. View in PubMed
  • A mobile-based pregaming drinking prevention intervention for college students: A pilot randomized controlled trial. Psychol Addict Behav. 2023 Nov; 37(7):841-852.. View in PubMed
  • Development of a mobile mindfulness smartphone app for post-traumatic stress disorder and alcohol use problems for veterans: Beta test results and study protocol for a pilot randomized controlled trial. Contemp Clin Trials. 2023 06; 129:107181.. View in PubMed
  • Eating disorder risk among college sorority and fraternity members within the United States. Eat Disord. 2023 Sep 03; 31(5):440-449.. View in PubMed
  • Regular Cannabis Use During the First Year of the Pandemic: Studying Trajectories Rather Than Prevalence. Am J Prev Med. 2023 06; 64(6):888-892.. View in PubMed
  • Secondary Outcomes of a Brief Group Alcohol and Risky Sex Intervention for Emerging Adults Experiencing Homelessness. Emerg Adulthood. 2023 Jun; 11(3):704-709.. View in PubMed
  • Directional associations between cannabis use and depression from late adolescence to young adulthood: the role of adverse childhood experiences. Addiction. 2023 06; 118(6):1083-1092.. View in PubMed
  • Evaluation of an integrated personalized feedback intervention for hazardous drinkers with elevated anxiety sensitivity and PTSD symptoms: Protocol for a randomized controlled trial. Contemp Clin Trials Commun. 2023 Apr; 32:101088.. View in PubMed
  • High Spirits? Exploring “Halloweekend” Alcohol and Cannabis Use Among Heavy-Drinking College Students. J Stud Alcohol Drugs. 2023 07; 84(4):520-529.. View in PubMed
  • Mental health treatment-seeking behaviors in medical students: A mixed-methods approach. J Med Access. 2023 Jan-Dec; 7:27550834221147787.. View in PubMed
  • A randomized controlled trial of an online alcohol and sexual risk prevention program for college students studying abroad. J Subst Use Addict Treat. 2023 02; 145:208951.. View in PubMed
  • Directional associations between cannabis use and anxiety symptoms from late adolescence through young adulthood. Drug Alcohol Depend. 2022 Dec 01; 241:109704.. View in PubMed
  • Changes in sexual identity and substance use during young adulthood. Drug Alcohol Depend. 2022 Dec 01; 241:109674.. View in PubMed
  • Trajectories of Emerging Adults’ Binge Drinking and Depressive Symptoms and Associations With Sexual Violence Victimization: Examining Differences by Sexual and Gender Minority Status. J Interpers Violence. 2023 04; 38(7-8):6085-6112.. View in PubMed
  • Associations between depression, stress, and e-cigarette use among OEF/OIF veterans. Mil Psychol. 2023 May-Jun; 35(3):245-251.. View in PubMed
  • Drug use trajectories among U.S. adults during the first year of the COVID-19 pandemic. J Psychiatr Res. 2022 10; 154:145-150.. View in PubMed
  • Moral injury events and behavioral health outcomes among American veterans. J Anxiety Disord. 2022 08; 90:102605.. View in PubMed
  • Concentration of Cannabis and Tobacco Retailers in Los Angeles County, California: A Spatial Analysis of Potential Effects on Youth and Ethnic Minorities. J Stud Alcohol Drugs. 2022 07; 83(4):502-511.. View in PubMed
  • A mobile-based pregaming drinking prevention intervention for college students: study protocol for a randomized controlled trial. Addict Sci Clin Pract. 2022 06 18; 17(1):31.. View in PubMed
  • Predictors of Functioning and Recovery Among Men and Women Veterans with Schizophrenia. Community Ment Health J. 2023 01; 59(1):110-121.. View in PubMed
  • Alcohol use trajectories among U.S. adults during the first 42 weeks of the COVID-19 pandemic. Alcohol Clin Exp Res. 2022 06; 46(6):1062-1072.. View in PubMed
  • What’s sleep got to do with it? Longitudinal associations between insomnia, PTSD, and alcohol use among U.S. Veterans. Addict Behav. 2022 09; 132:107358.. View in PubMed
  • Neighborhood social environment change in late adolescence predicts substance use in emerging adulthood. Health Place. 2022 05; 75:102807.. View in PubMed
  • Changes in perceived stress during the COVID-19 pandemic among American veterans. Stress Health. 2022 Dec; 38(5):1014-1028.. View in PubMed
  • Childhood adversity, combat experiences, and military sexual trauma: a test and extension of the stress sensitization hypothesis. Psychol Med. 2023 07; 53(9):4055-4063.. View in PubMed
  • Increased Risk for Sexual Violence Victimization on Drinking Days Involving Pregaming. J Aggress Maltreat Trauma. 2022; 31(9):1224-1240.. View in PubMed
  • Licensed and unlicensed cannabis outlets in Los Angeles County: the potential implications of location for social equity. J Cannabis Res. 2022 Apr 11; 4(1):18.. View in PubMed
  • Psychometric properties of the French and English short form of the Protective Behavioural Strategies for Marijuana Scale in Canadian university students. BMJ Open. 2022 04 06; 12(4):e053715.. View in PubMed
  • Substance Use, Financial Stress, Employment Disruptions, and Anxiety among Veterans during the COVID-19 Pandemic. Psychol Rep. 2023 Aug; 126(4):1684-1700.. View in PubMed
  • Disparities in functioning from alcohol and cannabis use among a racially/ethnically diverse sample of emerging adults. Drug Alcohol Depend. 2022 05 01; 234:109426.. View in PubMed
  • Methamphetamine use and disordered eating: a case study of an understudied phenomenon. Eat Weight Disord. 2022 Oct; 27(7):2947-2951.. View in PubMed
  • Mental health correlates of quitting cigarette smoking in youth experiencing homelessness. Addict Behav. 2022 07; 130:107289.. View in PubMed
  • Disposable E-Cigarette Use Prevalence, Correlates, and Associations With Previous Tobacco Product Use in Young Adults. Nicotine Tob Res. 2022 02 14; 24(3):372-379.. View in PubMed
  • Evaluating the efficacy of common humanity-enhanced exposure for socially anxious young adults. J Anxiety Disord. 2022 04; 87:102542.. View in PubMed

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