Objective: Alcohol-induced blackouts are a marker of risk such that they are strong independent predictors of experiencing other adverse alcohol-related social and health effects. Existing work informed by the Theory of Planned Behavior suggests that several of the constructs contained within it, such as perceived norms, personal attitudes toward consumption, and drinking intentions, are reliable predictors of alcohol use, related problems, and blackout experiences. However, research to date has not examined these theoretical antecedents as predictors of change in the occurrence of alcohol-induced blackout. The current work aimed to evaluate descriptive (the rate a behavior occurs) and injunctive (the approval of a behavior) norms, attitudes toward heavy drinking, and drinking intentions as predictors of the prospective change in experiencing a blackout.

Method: Using existing data from two samples (Sample 1: = 431, 68% male; Sample 2: = 479, 52% male), students mandated to complete an alcohol intervention completed surveys at baseline and 1- and 3-month follow-ups. Latent growth curve models evaluated perceived norms, positive attitude toward heavy drinking, and drinking intention as prospective predictors of the change in blackout over 3 months.

Results: Across both samples, descriptive and injunctive norms and drinking intentions were not significantly predictive of the change in blackout. Only attitude toward heavy drinking significantly predicted prospective change (the slope factor) in blackout in both samples.

Conclusions: Given the strong association between heavy drinking attitudes and change in blackout, attitudes may represent an important and novel target for prevention and intervention efforts.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10171258PMC
http://dx.doi.org/10.15288/jsad.22-00060DOI Listing

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