PREDICTING BINGE-DRINKING BEHAVIOUR USING AN EXTENDED TPB: EXAMINING THE IMPACT OF ANTICIPATED REGRET AND DESCRIPTIVE NORMS

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Abstract

Aims

To investigate the utility of an extended Theory of Planned Behaviour (TPB), including descriptive norms and anticipated regret, in predicting binge-drinking intentions and behaviour.

Methods

A total of 178 undergraduates completed a questionnaire containing measures of TPB variables, descriptive norms, anticipated regret, and previous binge-drinking behaviour. One week later, 104 students completed a measure of binge-drinking behaviour.

Results

Hierarchical regression demonstrated that attitudes (beta=0.30, P < 0.001) and anticipated regret (beta=0.47, P < 0.001) were significant predictors of intentions, with the final equation accounting for 58% of the variance. Hierarchial regression found that intentions (beta=−0.21, P < 0.05) and previous binge-drinking behaviour (beta=0.36, P < 0.01) predicted current drinking behaviour, accounting for 33% of the variance.

Conclusions

The study suggests that modifying attitudes and inducing regret may be effective strategies for reducing binge-drinking intentions among undergraduates, which should reduce subsequent binge-drinking behaviour.

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