Isaac Rhew, PhD, MPH

Personal Statement

I am a psychiatric epidemiologist with interests in the etiology and prevention of substance use, internalizing mental health problems, and their co-occurrence. My research explores these phenomena across multiple levels of influence–from within-individual factors that can vary over time to broader neighborhood- and other area-level contextual factors. I am also interested in the application of innovative epidemiologic and statistical methods.

Education

PhD, Epidemiology, University of Washington, 2006-2009
MPH, Epidemiology, University of Washington, 2003-2006
BA, Psychology, Stanford University, 1991-1995

Department Affiliations

Other Affiliations

University of Washington Department of Epidemiology

Recent Publications

Using machine learning to identify unique predictors of alcohol and cannabis impaired driving.
(2026 Mar)
Alcohol Clin Exp Res (Hoboken) 50(3): e70245
Calhoun BH, Hultgren BA, McCabe CJ, Rhew IC, Larimer ME, Kilmer JR, Guttmannova K

Cannabis Use Problems Moderate Daily Associations between Cannabis Consequences and Subsequent Use.
(2026 Mar 10)
J Stud Alcohol Drugs
Dyar C, Rhew IC, Lee CM

Weather-Related Trends in Drug Use Incidents Aboard Transit Vehicles.
(2026 Feb 24)
J Urban Health
Srikanth P, Rhew IC, Seto E, Zuidema C, Baker MG

Negative reinforcement of cannabis use: Subjective relief from negative affect following cannabis use and effects on subsequent patterns of use.
(2026 Jan 19)
Psychol Addict Behav
Dyar C, Rhew IC

Affect, Motives for Cannabis Use, Duration of Intoxication, and Cannabis Consequences: Cannabis Use Problem Severity as a Potential Moderator.
(2026 Jan 19)
J Stud Alcohol Drugs
Dyar C, Curtis J, Green E, Hales EDS, Rhew IC, Kaysen D, Lee CM

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