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Trait impulsivity moderates rate of alcohol consumption in daily life

•Rate of consumption is a known factor in outcomes including AUD symptoms.•113 individuals completed a 21-day ecological momentary assessment protocol.•Four UPPS sub-scales were associated with faster rates of alcohol consumption.•Sensation seeking and lack of perseverance were associated with faste...

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Bibliographic Details
Published in:Addictive behaviors 2024-05, Vol.152, p.107976, Article 107976
Main Authors: McNamara, Ian A., Nance, Melissa, Lane, Sean P., Trela, Constantine J., Wood, Phillip K., Piasecki, Thomas M., Trull, Timothy J., Carpenter, Ryan W.
Format: Article
Language:English
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Summary:•Rate of consumption is a known factor in outcomes including AUD symptoms.•113 individuals completed a 21-day ecological momentary assessment protocol.•Four UPPS sub-scales were associated with faster rates of alcohol consumption.•Sensation seeking and lack of perseverance were associated with faster consumption. Rate of alcohol consumption, the speed with which people drink, has been linked to a range of outcomes, including alcohol use disorder symptoms and increased positive affect. However, minimal work has identified who is most likely to drink at elevated rates. Impulsivity is associated with increased attention to positive reinforcers specifically (e.g., positive affect). We therefore examined whether people higher in trait impulsivity engage in faster consumption during drinking episodes. Participants were current drinkers (N = 113; 54 people with borderline personality disorder [BPD], a disorder that involves elevated impulsivity, and 59 community people) who completed a 21-day ecological momentary assessment (EMA) protocol. Multilevel models of drinking episodes (Nobservations = 3,444) examined whether self-reported trait impulsivity, measured at baseline, was associated with faster rise in estimated blood alcohol concentration (eBAC) at each follow-up period. All UPPS sub-scales were associated with faster rise in eBAC across a drinking episode. In a multivariate model including all sub-scales as simultaneous predictors, sensation seeking and (lack of) perseverance were independently positively associated with rate of consumption. Additional analyses indicated that greater negative urgency and sensation seeking were associated with faster rises in eBAC in participants with BPD, relative to community comparisons. In a sample that captured a wide spectrum of impulsivity, greater impulsivity was associated with drinking alcohol at a faster rate. People higher in sensation seeking and (lack of) perseverance may be prone to drink at faster rates out of a desire to maximize the hedonic effects of alcohol. This study finds that people who are more impulsive tend to drink alcohol faster, putting them at greater risk for negative consequences. This may explain, in part, why impulsivity is linked to experiencing alcohol-related problems.
ISSN:0306-4603
1873-6327
1873-6327
DOI:10.1016/j.addbeh.2024.107976