How well does the theory of planned behaviour predict alcohol consumption? A systematic review and meta-analysis

Richard Cooke*, Mary Dahdah, Paul Norman, David P French

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

This study aimed to quantify correlations between theory of planned behaviour (TPB) variables and (i) intentions to consume alcohol and (ii) alcohol consumption. Systematic literature searches identified 40 eligible studies that were meta-analysed. Three moderator analyses were conducted: pattern of consumption, gender of participants and age of participants. Across studies, intentions had the strongest relationship with attitudes (r+ = .62), followed by subjective norms (r+ = .47) and perceived behavioural control (PBC; r+ = .31). Self-efficacy (SE) had a stronger relationship with intentions (r+ = .48) compared with perceived control (PC; r+ = −.10). Intention had the strongest relationship with alcohol consumption (r+ = .54), followed by SE (r+ = .41). In contrast, PBC and PC had negative relationships with alcohol consumption (r+ = −.05 and −.13, respectively). All moderators affected TPB relationships. Patterns of consumption with clear definitions had stronger TPB relations, females reported stronger attitude–intention relations than males, and adults reported stronger attitude–intention and SE–intention relations than adolescents. Recommendations for future research include targeting attitudes and intentions in interventions to reduce alcohol consumption, using clear definitions of alcohol consumption in TPB items to improve prediction and assessing SE when investigating risk behaviours.

Original languageEnglish
Number of pages20
JournalHealth Psychology Review
Volume10
Issue number2
Early online date4 Aug 2014
DOIs
Publication statusPublished - 2016

Bibliographical note

© 2014 The Author(s). Published by Taylor & Francis.
This is an Open Access article. Non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly attributed, cited, and is not altered, transformed, or built upon in any way, is permitted. The moral rights of the named author(s) have been asserted.

Supplemental data (Supplementary Tables 1–3 and Supplementary Figures 1–18): http://dx.doi.org/10.1080/17437199.2014.947547.

Keywords

  • alcohol
  • binge drinking
  • intention
  • theory of planned behaviour

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