title: Effects of alcohol and initial gambling outcomes on within-session gambling behavior.
abstract: Concurrent drinking and gambling is prevalent among young adults and may increase negative consequences associated with each behavior. The effects of alcohol, initial gambling outcomes, gambling-related cognitions, and impulsivity on gambling behavior were evaluated. Initial gambling outcomes, gambling-related cognitions, and impulsivity were also assessed as potential moderators of the relation between alcohol and gambling behavior. Participants (N = 130) were randomly assigned to receive active placebo or alcohol (0.84 g/kg and 0.76 g/kg for men and women, respectively) and were invited to wager on a simulated slot machine programmed to produce 1 of 3 initial outcomes (win, breakeven, or loss) before beginning a progressive loss schedule. Alcohol consumption was associated with larger average bets and more rapid loss of all available funds, though no evidence was found for predicted main effects and interactions for gambling persistence. The effect of impulsivity was moderated by beverage condition, such that higher levels of impulsivity were associated with larger average bets for participants in the placebo but not the alcohol group. Results have direct implications for individual-focused and public-health interventions.
authors.affiliation: Department of Psychology, Yale University, USA. jcronce@u.washington.edu
authors.forename: Jessica M
authors.initials: JM
authors.lastname: Cronce
authors.forename: William R
authors.initials: WR
authors.lastname: Corbin
mesh_terms: D000328:Adult; D001944:Breath Tests; D003071:Cognition / Q000187:drug effects*; D000431:Ethanol / Q000494:pharmacology*; D005260:Female; D005715:Gambling / Q000523:psychology*; D006801:Humans; D007175:Impulsive Behavior / Q000523:psychology; D008297:Male
chemical_list: D000431:Ethanol
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