Do individuals higher in impulsivity drink more impulsively? A pilot study within a high risk sample of young adults

Angela K. Stevens, Andrew K. Littlefield, Amelia E. Talley, Jennifer L. Brown

Research output: Contribution to journalArticle

10 Scopus citations


Extant literature has established a strong relation between individual differences in “impulsivity” and alcohol consumption. However, the relation between “impulsivity,” intentions-to-drink, and alcohol consumption has remained understudied. As a part of a larger study, 77 participants (60.5% female, 76.3% White, M age = 20.8) completed 10 days of daily diary reports regarding their intention to use alcohol and alcohol consumption. Hierarchical linear modeling (HLM) was used to estimate within-person relations between intentions-to-drink and subsequent alcohol use. All models were adjusted for participant age, biological sex, and day of the week. Results showed a strong positive association between daily intention to consume alcohol and self-reported alcohol use (β = 0.50, p < 0.01). Importantly, tests of interactions indicated that individuals higher in impulsivity were not significantly more likely to engage in unplanned drinking. Multilevel mediation analyses indicated significant indirect effects between impulsivity-like constructs, including positive urgency, lack-of-planning, and self-report delay discounting, and reported daily alcohol consumption via higher overall (i.e., between-person) levels of intentions-to-drink; that is, individuals who reported higher levels of these impulsivity-related constructs were more likely to intend to drink across the 10-days and, in turn, consumed more alcohol. Findings from the study suggest that treatment providers could address drinking intentions among individuals higher in impulsivity and work to establish potential replacement behaviors to reduce alcohol consumption in this population.

Original languageEnglish
Pages (from-to)147-153
Number of pages7
JournalAddictive Behaviors
StatePublished - Feb 1 2017


  • Alcohol use
  • Impulsivity
  • Intention
  • Multi-level modeling

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