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- Title
Ecological evidence that affect and perceptions of drink effects depend on alcohol expectancies.
- Authors
Treloar, Hayley; Piasecki, Thomas M.; McCarthy, Denis M.; Sher, Kenneth J.; Heath, Andrew C.
- Abstract
Aims (1) To compare affective changes over drinking and non-drinking days among frequent drinkers and (2) to evaluate whether drinkers' expectations influence affective changes and perceived pleasure and relief from drinking. Design Observational study involving ecological momentary assessments collected via electronic diaries during the course of 3 weeks. Setting Drinkers' usual settings in Columbia, MO, USA. Participants A total of 400 adult, frequent drinkers, aged 18-70 years. Measurements Ecological assessments included morning reports, pre-drinking random prompts, user-initiated first-drink reports and device-prompted follow-ups over drinking episodes. Participants rated positive (enthusiastic, excited, happy) and negative (distressed, sad) affect and perceived pleasure and relief from drinking in real time. A self-report questionnaire completed at baseline evaluated expectancies for enhanced sociability and tension reduction from drinking. Findings Relative to affective changes over non-drinking days, positive affect increased prior to drinking [95% confidence interval (CI) = 0.004, 0.023], and at first drink (95% CI = 0.238, 0.317), whereas negative affect decreased prior to drinking (95% CI = − 0.007, 0.000) and at first drink (95% CI = − 0.154, − 0.098). Sociability expectancies augmented increases in positive affect prior to drinking (95% CI = 0.009, 0.027) and at first drink (95% CI = 0.017, 0.169). Sociability expectancies also enhanced perceived pleasure from first drinks (95% CI = 0.046, 0.318). Tension-reduction expectancies attenuated decreases in negative affect at first drink (95% CI = − 0.133, − 0.029), but augmented perceived relief from first drinks (95% CI = 0.001, 0.304). Conclusions Although theoretical models tend to focus on negative affective outcomes of drinking, changes in positive affect prior to drinking and early in drinking episodes are important for maintaining drinking behavior. Frequent drinkers' expectations for enhanced sociability or tension reduction from drinking influence their affective experiences over drinking days and perceptions of pleasure and relief from drinking.
- Subjects
MISSOURI; AFFECT (Psychology); CONFIDENCE intervals; DRINKING behavior; ALCOHOL drinking; ECOLOGY; ETHANOL; SCIENTIFIC observation; SENSORY perception; PLEASURE; RESEARCH funding; SCALE analysis (Psychology); SOCIAL skills; PSYCHOLOGICAL stress; TIME; SECONDARY analysis; DATA analysis software; DIARY (Literary form); DESCRIPTIVE statistics
- Publication
Addiction, 2015, Vol 110, Issue 9, p1432
- ISSN
0965-2140
- Publication type
Article
- DOI
10.1111/add.12982