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  • Title: Risk-Taking Propensity, Affect, and Alcohol Craving in Adolescents' Daily Lives.
    Author: Treloar Padovano H, Janssen T, Emery NN, Carpenter RW, Miranda R.
    Journal: Subst Use Misuse; 2019; 54(13):2218-2228. PubMed ID: 31305203.
    Abstract:
    Background: Alcohol craving is common among adolescents, stronger among those with more alcohol-related problems, and predicts drinking levels in their daily lives. Yet, the conditions that predict momentary changes in craving in real time among adolescents remain unclear. Objectives: This study examined the interactive effects of momentary risk-taking propensity and affect on adolescents' alcohol craving by leveraging ecological momentary assessment (EMA) methods. Methods: Participants were 29 adolescents ages 15-19 years (55% female; 69% White; 10% Black; 17% Hispanic); 45% met criteria for alcohol dependence. Following a laboratory session that captured self-report and behavioral assessments, including the well-established Balloon Analog Risk Task (BART), participants completed multiple daily assessments of alcohol craving, positive and negative affect, and risk propensity for approximately one week. Momentary risk propensity was captured in real-world settings via an EMA behavioral task ("Balloon Game"). Results: Mixed-effects models with EMA reports (Level 1) nested within participants (Level 2) revealed the majority (74%) of variability in "Balloon Game" performance was due to within-person, momentary, fluctuations. Greater momentary positive affect predicted increased alcohol craving, but only when participants exhibited heightened risk-taking propensity. Negative affect did not influence the relation between momentary risk-taking and craving. Conclusions/Importance: Momentary fluctuations in positive affect predicted acute increases in craving but only in moments when adolescents demonstrated higher levels of risk-taking propensity, as captured with an EMA-delivered behavioral task. Momentary risk-taking assessments offer new avenues to substantiate dominant theories on the driving mechanisms of craving and alcohol use among adolescents.
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