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Health Educ Res. 2011 Apr;26(2):308-22. doi: 10.1093/her/cyr005. Epub 2011 Feb 14.

What are the most effective intervention techniques for changing physical activity self-efficacy and physical activity behaviour--and are they the same?

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  • 1Applied Research Centre in Health and Lifestyle Interventions and Faculty of Health and Life Sciences, Coventry University, Priory Street, Coventry CV1 5FB, UK. stefanie.williams@coventry.ac.uk

Abstract

There is convincing evidence that targeting self-efficacy is an effective means of increasing physical activity. However, evidence concerning which are the most effective techniques for changing self-efficacy and thereby physical activity is lacking. The present review aims to estimate the association between specific intervention techniques used in physical activity interventions and change obtained in both self-efficacy and physical activity behaviour. A systematic search yielded 27 physical activity intervention studies for 'healthy' adults that reported self-efficacy and physical activity data. A small, yet significant (P < 0.01) effect of the interventions was found on change in self-efficacy and physical activity (d = 0.16 and 0.21, respectively). When a technique was associated with a change in effect sizes for self-efficacy, it also tended to be associated with a change (r(s) = 0.690, P < 0.001) in effect size for physical activity. Moderator analyses found that 'action planning', 'provide instruction' and 'reinforcing effort towards behaviour' were associated with significantly higher levels of both self-efficacy and physical activity. 'Relapse prevention' and 'setting graded tasks' were associated with significantly lower self-efficacy and physical activity levels. This meta-analysis provides evidence for which psychological techniques are most effective for changing self-efficacy and physical activity.

PMID:
21321008
[PubMed - indexed for MEDLINE]
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