title: Interactive effects of drinking history and impulsivity on college drinking.
abstract: The transition from adolescence into emerging adulthood is a critical developmental period for changes in alcohol use and drinking related problems. Prior research has identified a number of distinct developmental alcohol use trajectories, which appear to be differentially related to young adult drinking outcomes. Another correlate of alcohol use in early adulthood is impulsivity. The primary aim of this study was to examine the moderating role of impulsivity in the relation between patterns of past alcohol use and hazardous drinking during the first year of college. Participants (N=452; 49% male; mean age 18.5years; 82% Caucasian) completed self-report measures during the first year of college, including retrospective alcohol use calendars, current alcohol use and drinking problems, and personality. Group-based trajectory modeling was used to identify groups with similar adolescent drinking history from retrospective, self-report. Four groups were identified: abstainers/very light users, late/moderate users, early/moderate users, and steep increase/heavy users. The abstainer/very light user group reported the lowest levels of alcohol use and problematic drinking in college; the steep increase/heavy use group reported the highest levels of alcohol use and problematic drinking. As predicted, the role of personality-specifically urgency, or emotion-based rash action-was strongest among moderate use groups. These findings may be helpful in guiding targeted prevention and intervention programs for alcohol use and abuse.
authors.affiliation: Department of Psychology, University of Kentucky, Lexington, KY 40506, United States; Department of Psychiatry & Behavioral Sciences, Medical University of South Carolina, Charleston, SC 29425, United States. Electronic address: zaa@musc.edu.
authors.forename: Zachary W
authors.initials: ZW
authors.lastname: Adams
authors.forename: Richard
authors.initials: R
authors.lastname: Milich
authors.forename: Donald R
authors.initials: DR
authors.lastname: Lynam
authors.forename: Richard J
authors.initials: RJ
authors.lastname: Charnigo
mesh_terms: D000293:Adolescent; D064829:Alcohol Abstinence / Q000523:psychology; D000428:Alcohol Drinking / Q000523:psychology*; D000704:Analysis of Variance; D005260:Female; D006801:Humans; D007175:Impulsive Behavior / Q000523:psychology*; D008016:Life Change Events; D008297:Male; D009042:Motivation / Q000502:physiology; D013334:Students / Q000523:psychology*; D055815:Young Adult
keywords: Alcohol; College students; Drinking trajectories; Impulsivity; Urgency
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