Keck School Faculty

Eric Pedersen
Eric Pedersen
Associate Professor of Psychiatry and the Behavioral Sciences;Director of Digital Mental Health
Psychiatry and The Behavioral Sciences
2250 Alcazar Street Health Sciences Campus Los Angeles

Tobacco/nicotine and marijuana co-use motives in young adults: Associations with substance use behaviors one year later Psychol Addict Behav. 2020 Jun 18. . View in PubMed

Changes in Cigarette, E-Cigarette, and Cannabis Use among US. College Students Studying Abroad. Subst Use Misuse. 2020 May 04; 1-9. . View in PubMed

Early and Late Adolescent Factors that Predict Co-use of Cannabis with Alcohol and Tobacco in Young Adulthood Prev Sci. 2020 May; 21(4):530-544. . View in PubMed

Identifying optimal level-of-care placement decisions for adolescent substance use treatment Drug Alcohol Depend. 2020 Apr 28; 212:107991. . View in PubMed

Do Recent Experiences of Sexual Violence and Co-Occurring Depression and Anxiety Symptoms Predict Poorer Functioning One Year Later During the Transition to Young Adulthood? J Interpers Violence. 2020 Apr 22; 886260520913648.. View in PubMed

Locating Medical and Recreational Cannabis Outlets for Research Purposes: Online Methods and Observational Study J Med Internet Res. 2020 Feb 26; 22(2):e16853. . View in PubMed

Practical factors determining adolescent substance use treatment settings: Results from four online stakeholder panels J Subst Abuse Treat. 2020 Feb; 109:34-40. . View in PubMed

Development of a Measure to Assess Protective Behavioral Strategies for Pregaming among Young Adults Subst Use Misuse. 2020; 55(4):534-545. . View in PubMed

A text message intervention for quitting cigarette smoking among young adults experiencing homelessness: study protocol for a pilot randomized controlled trial Addict Sci Clin Pract. 2020 02 19; 15(1):11. . View in PubMed

Prioritizing Needs and Outcomes for Adolescent Substance Use Treatment Planning: An Online Modified-Delphi Process J Addict Med. 2019 Dec 16. . View in PubMed

Addressing the opioid epidemic with behavioral interventions for adolescents and young adults: A quasi-experimental design J Consult Clin Psychol. 2019 Oct; 87(10):941-951. . View in PubMed

Long-term Associations Between Substance Use-Related Media Exposure, Descriptive Norms, and Alcohol Use from Adolescence to Young Adulthood J Youth Adolesc. 2019 Jul; 48(7):1311-1326. . View in PubMed

Associations between young adult marijuana outcomes and availability of medical marijuana dispensaries and storefront signage Addiction. 2019 12; 114(12):2162-2170. . View in PubMed

Factors Associated With Acquiring a Medical Marijuana Card: A Longitudinal Examination of Young Adults in California J Stud Alcohol Drugs. 2019 11; 80(6):687-692. . View in PubMed

Associations of Alcohol and Marijuana Use With Condom Use Among Young Adults: The Moderating Role of Partner Type J Sex Res. 2019 10; 56(8):957-964. . View in PubMed

Exploring the association between changes in partner behaviors, perceived service member drinking, and relationship quality: Secondary analysis of a web-based intervention for military partners J Subst Abuse Treat. 2019 03; 98:66-72. . View in PubMed

Relative influence of perceived peer and family substance use on adolescent alcohol, cigarette, and marijuana use across middle and high school Addict Behav. 2019 01; 88:99-105. . View in PubMed

Cannabis and tobacco use and co-use: Trajectories and correlates from early adolescence to emerging adulthood Drug Alcohol Depend. 2019 11 01; 204:107499. . View in PubMed

Greater risk for frequent marijuana use and problems among young adult marijuana users with a medical marijuana card Drug Alcohol Depend. 2019 01 01; 194:178-183. . View in PubMed

An online alcohol and risky sex prevention program for college students studying abroad: study protocol for a randomized controlled trial Addict Sci Clin Pract. 2019 08 20; 14(1):32. . View in PubMed

Efficacy of a Web-based Intervention for Concerned Spouses of Service Members and Veterans with Alcohol Misuse J Marital Fam Ther. 2018 Apr; 44(2):292-306. . View in PubMed

Alcohol Use Among Concerned Partners of Heavy Drinking Service Members and Veterans J Marital Fam Ther. 2018 Apr; 44(2):277-291. . View in PubMed

Recruitment and Retention of Homeless Youth in a Substance Use and HIV-risk Reduction Program Field methods. 2018 Feb 01; 30(1):22-36. . View in PubMed

Perceived Need and Receipt of Behavioral Health Services at Drop-In Centers among Homeless Youth Health Serv Res. 2018 12; 53(6):4609-4628. . View in PubMed

Blackouts as a Moderator of Young Adult Veteran Response to Personalized Normative Feedback for Heavy Drinking Alcohol Clin Exp Res. 2018 06; 42(6):1145-1153. . View in PubMed

Predictors of Retention in an Alcohol and Risky Sex Prevention Program for Homeless Young Adults Prev Sci. 2018 05; 19(4):459-467. . View in PubMed

Ethnic Differences in Cigarette Use Trajectories and Health, Psychosocial, and Academic Outcomes J Adolesc Health. 2018 03; 62(3):327-333. . View in PubMed

Drinking to cope moderates the efficacy of changing veteran drinking norms as a strategy for reducing drinking and alcohol-related problems among US. veterans. Psychol Addict Behav. 2018 03; 32(2):213-223. . View in PubMed

Online Methods for Locating Medical Marijuana Dispensaries: Practical Considerations for Future Research Cannabis. 2018; 1(2):22-35. . View in PubMed

Planting the seed for marijuana use: Changes in exposure to medical marijuana advertising and subsequent adolescent marijuana use, cognitions, and consequences over seven years Drug Alcohol Depend. 2018 07 01; 188:385-391. . View in PubMed

Developing adaptive interventions for adolescent substance use treatment settings: protocol of an observational, mixed-methods project Addict Sci Clin Pract. 2017 Dec 19; 12(1):35. . View in PubMed

Insomnia moderates the association between alcohol use and consequences among young adult veterans Addict Behav. 2017 Dec; 75:59-63. . View in PubMed

The impact of normative perceptions on alcohol consumption in military veterans Addiction. 2017 Oct; 112(10):1765-1772. . View in PubMed

A randomized controlled trial of a web-based, personalized normative feedback alcohol intervention for young-adult veterans J Consult Clin Psychol. 2017 May; 85(5):459-470. . View in PubMed

The association between discharge status, mental health, and substance misuse among young adult veterans Psychiatry Res. 2017 10; 256:428-434. . View in PubMed

Group motivational interviewing for homeless young adults: Associations of change talk with substance use and sexual risk behavior Psychol Addict Behav. 2017 09; 31(6):688-698. . View in PubMed

A group-based motivational interviewing brief intervention to reduce substance use and sexual risk behavior among homeless young adults J Subst Abuse Treat. 2017 05; 76:20-27. . View in PubMed

The role of perceived injunctive alcohol norms in adolescent drinking behavior Addict Behav. 2017 04; 67:1-7. . View in PubMed

Combat experience and problem drinking in veterans: Exploring the roles of PTSD, coping motives, and perceived stigma Addict Behav. 2017 03; 66:90-95. . View in PubMed

Frequency of E-cigarette Use, Health Status, and Risk and Protective Health Behaviors in Adolescents J Addict Med. 2017 Jan/Feb; 11(1):55-62. . View in PubMed

The Unified Behavioral Health Center for Military Veterans and Their Families: Documenting Structure, Process, and Outcomes of Care Rand Health Q. 2017 Jan; 6(4):13. . View in PubMed

Insomnia severity as a mediator of the association between mental health symptoms and alcohol use in young adult veterans Drug Alcohol Depend. 2017 08 01; 177:221-227. . View in PubMed

Individual, peer, and family factor modification of neighborhood-level effects on adolescent alcohol, cigarette, e-cigarette, and marijuana use Drug Alcohol Depend. 2017 11 01; 180:76-85. . View in PubMed

Recruitment and retention of young adult veteran drinkers using Facebook PLoS One. 2017; 12(3):e0172972. . View in PubMed

To Educate or To Incarcerate: Factors in Disproportionality in School Discipline Child Youth Serv Rev. 2016 Nov; 70:102-111. . View in PubMed

Depression, posttraumatic stress, and alcohol misuse in young adult veterans: The transdiagnostic role of distress tolerance Drug Alcohol Depend. 2016 Apr 01; 161:348-55. . View in PubMed

Study protocol for a web-based personalized normative feedback alcohol intervention for young adult veterans Addict Sci Clin Pract. 2016 Mar 31; 11(1):6. . View in PubMed

Alcohol and marijuana use trajectories in a diverse longitudinal sample of adolescents: examining use patterns from age 11 to 17 years Addiction. 2016 10; 111(10):1825-35. . View in PubMed

It is time to develop appropriate tools for assessing minimal clinically important differences, performance bias and quality of evidence in reviews of behavioral interventions Addiction. 2016 09; 111(9):1533-5. . View in PubMed

Reviewing and interpreting the effects of brief alcohol interventions: comment on a Cochrane review about motivational interviewing for young adults Addiction. 2016 09; 111(9):1521-7. . View in PubMed

Facilitators and Barriers of Drop-In Center Use Among Homeless Youth J Adolesc Health. 2016 08; 59(2):144-53. . View in PubMed

Measuring Protective Behavioral Strategies for Marijuana Use Among Young Adults J Stud Alcohol Drugs. 2016 05; 77(3):441-50. . View in PubMed

Associations of Posttraumatic Stress Disorder Symptoms With Marijuana and Synthetic Cannabis Use Among Young Adult US. Veterans: A Pilot Investigation. J Stud Alcohol Drugs. 2016 05; 77(3):509-14. . View in PubMed

Associations between neighborhood alcohol availability and young adolescent alcohol use Psychol Addict Behav. 2015 Dec; 29(4):950-9. . View in PubMed

Sleep in the Military: Promoting Healthy Sleep Among US. Servicemembers. Rand Health Q. 2015 Nov 30; 5(2):19. . View in PubMed

Early Substance Use and Subsequent DUI in Adolescents Pediatrics. 2015 Nov; 136(5):868-75. . View in PubMed

Predictors and consequences of prescription drug misuse during middle school Drug Alcohol Depend. 2015 Nov 01; 156:254-260. . View in PubMed

The effects of mental health symptoms and marijuana expectancies on marijuana use and consequences among at-risk adolescents J Drug Issues. 2015 Apr 01; 45(2):151-165. . View in PubMed

Differences in Substance Use and Substance Use Risk Factors by Asian Subgroups Asian Am J Psychol. 2015 Mar; 6(1):38-46. . View in PubMed

Longitudinal family effects on substance use among an at-risk adolescent sample Addict Behav. 2015 Feb; 41:185-91. . View in PubMed

How group factors affect adolescent change talk and substance use outcomes: implications for motivational interviewing training J Couns Psychol. 2015 Jan; 62(1):79-86. . View in PubMed

Help-Seeking Stigma and Mental Health Treatment Seeking Among Young Adult Veterans Mil Behav Health. 2015; 3(4):230-239. . View in PubMed

Increasing resilience through promotion of healthy sleep among service members Mil Med. 2015 Jan; 180(1):4-6. . View in PubMed

Alcohol and marijuana use in middle school: comparing solitary and social-only users J Adolesc Health. 2014 Dec; 55(6):744-9. . View in PubMed

A comparison of Cambodian-American adolescent substance use behavior to national and local norms Addict Behav. 2014 Dec; 39(12):1874-8. . View in PubMed

Proximal and distal social influence on alcohol consumption and marijuana use among middle school adolescents Drug Alcohol Depend. 2014 Nov 01; 144:93-101. . View in PubMed

The effects of purchasing alcohol and marijuana among adolescents at-risk for future substance use Subst Abuse Treat Prev Policy. 2014 Sep 18; 9:38. . View in PubMed

Study design to develop and pilot-test a web intervention for partners of military service members with alcohol misuse Addict Sci Clin Pract. 2014 Sep 02; 9(1):18. . View in PubMed

The role of alcohol expectancies in drinking behavior among women with alcohol use disorder and comorbid posttraumatic stress disorder J Psychoactive Drugs. 2014 Jul-Aug; 46(3):178-87. . View in PubMed

Temporal associations between substance use and delinquency among youth with a first time offense Addict Behav. 2014 Jun; 39(6):1081-6. . View in PubMed

Impact of daily assessments on distress and PTSD symptoms in trauma-exposed women J Interpers Violence. 2014 Mar; 29(5):824-45. . View in PubMed

Demographic and predeparture factors associated with drinking and alcohol-related consequences for college students completing study abroad experiences J Am Coll Health. 2014; 62(4):244-54. . View in PubMed

A longitudinal examination of alcohol, marijuana, and cigarette perceived norms among middle school adolescents Drug Alcohol Depend. 2013 Dec 01; 133(2):647-53. . View in PubMed

Exploring relationships between facets of self-esteem and drinking behavior among diverse groups of young adults Addict Behav. 2013 Oct; 38(10):2581-5. . View in PubMed

Perceived norms moderate the association between mental health symptoms and drinking outcomes among at-risk adolescents J Stud Alcohol Drugs. 2013 Sep; 74(5):736-45. . View in PubMed

Knowing where they're going: destination-specific pregaming behaviors in a multiethnic sample of college students J Clin Psychol. 2013 Apr; 69(4):383-96. . View in PubMed

The relationship between collective self-esteem, acculturation, and alcohol-related consequences among Asian American young adults J Ethn Subst Abuse. 2013; 12(1):51-67. . View in PubMed

Measuring college students' motives behind prepartying drinking: development and validation of the prepartying motivations inventory Addict Behav. 2012 Aug; 37(8):962-9. . View in PubMed

Prevalence, social contexts, and risks for prepartying among ethnically diverse college students Addict Behav. 2012 Jul; 37(7):803-10. . View in PubMed

Examining the relationships between acculturation orientations, perceived and actual norms, and drinking behaviors of short-term american sojourners in foreign environments Prev Sci. 2011 Dec; 12(4):401-10. . View in PubMed

College students' perceptions of class year-specific drinking norms Addict Behav. 2010 Mar; 35(3):290-3. . View in PubMed

Perceived behavioral alcohol norms predict drinking for college students while studying abroad J Stud Alcohol Drugs. 2009 Nov; 70(6):924-8. . View in PubMed

Gender and dating relationship status moderate the association between alcohol use and sex-related alcohol expectancies Addict Behav. 2009 Sep; 34(9):786-9. . View in PubMed

Before you slip into the night, you'll want something to drink: exploring the reasons for prepartying behavior among college student drinkers Issues Ment Health Nurs. 2009 Jun; 30(6):354-63. . View in PubMed

A brief Rutgers Alcohol Problem Index with less potential for bias Addict Behav. 2008 Sep; 33(9):1249-53. . View in PubMed

Prepartying promotes heightened risk in the college environment: an event-level report Addict Behav. 2008 Jul; 33(7):955-9. . View in PubMed

The role of self-consciousness in the experience of alcohol-related consequences among college students Addict Behav. 2008 Jun; 33(6):812-20. . View in PubMed

Normative misperceptions of drinking among college students: a look at the specific contexts of prepartying and drinking games J Stud Alcohol Drugs. 2008 May; 69(3):406-11. . View in PubMed

A brief decisional balance intervention increases motivation and behavior regarding condom use in high-risk heterosexual college men Arch Sex Behav. 2008 Apr; 37(2):330-9. . View in PubMed

Assessment of perceived and actual alcohol norms in varying contexts: exploring Social Impact Theory among college students Addict Behav. 2008 Apr; 33(4):552-64. . View in PubMed

Live interactive group-specific normative feedback reduces misperceptions and drinking in college students: a randomized cluster trial Psychol Addict Behav. 2008 Mar; 22(1):141-8. . View in PubMed

A randomized motivational enhancement prevention group reduces drinking and alcohol consequences in first-year college women Psychol Addict Behav. 2008 Mar; 22(1):149-55. . View in PubMed

Reasons for drinking in the college student context: the differential role and risk of the social motivator J Stud Alcohol Drugs. 2007 May; 68(3):393-8. . View in PubMed

A campus-based motivational enhancement group intervention reduces problematic drinking in freshmen male college students Addict Behav. 2007 May; 32(5):889-901. . View in PubMed

Classifying risky-drinking college students: another look at the two-week drinker-type categorization J Stud Alcohol Drugs. 2007 Jan; 68(1):86-90. . View in PubMed

Drinking game participation among college students: gender and ethnic implications Addict Behav. 2006 Nov; 31(11):2105-15. . View in PubMed

HEADS UP! A nested intervention with freshmen male college students and the broader campus community to promote responsible drinking J Am Coll Health. 2006 Mar-Apr; 54(5):301-4. . View in PubMed

A within-subjects validation of a group-administered timeline followback for alcohol use J Stud Alcohol. 2006 Mar; 67(2):332-5. . View in PubMed

Reducing heavy drinking in college males with the decisional balance: analyzing an element of Motivational Interviewing Addict Behav. 2006 Feb; 31(2):254-63. . View in PubMed

A group-administered Timeline Followback assessment of alcohol use J Stud Alcohol. 2005 Sep; 66(5):693-7. . View in PubMed

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