What is the best way to change self-efficacy to promote lifestyle and recreational physical activity? A systematic review with meta-analysis

Stefanie Ashford, J. Edmunds, David P. French

    Research output: Contribution to journalArticle

    283 Citations (Scopus)
    1378 Downloads (Pure)

    Abstract

    Purpose. Increasing self-efficacy is an effective method to increase physical activity. Despite this, the evidence concerning the most effective techniques to increase self-efficacy in physical activity interventions has not been systematically reviewed. The aim of the present research is to systematically gather, and meta-analyse, intervention studies which aimed to increase self-efficacy for physical activity; to estimate the association between intervention techniques used, and change in self-efficacy achieved.Methods. A systematic database search was conducted for papers reporting lifestyle or recreational physical activity interventions. Published intervention studies explicitly targeting self-efficacy in order to change physical activity behaviour in ‘healthy’ adults were eligible for inclusion.Results. The search strategy identified 27 unique physical activity intervention studies, with a total of 5,501 participants. A significant, yet small, relationship between the interventions and changes in self-efficacy was found (mean d =0.16, p <.001). Owing to significant heterogeneity, moderator analyses were conducted, examining the association of changes in self-efficacy with whether or not specific intervention techniques were used. Interventions that included feedback on past or others' performance produced the highest levels of self-efficacy found in this review. Vicarious experience was also associated with higher levels of self-efficacy. Persuasion, graded mastery, and barrier identification were associated with lower levels of self-efficacy.Conclusions. This meta-analysis forms an evidence base for which psychological techniques are most effective in increasing self-efficacy for physical activity. The results are presented in terms of recommendations for those developing interventions and directions for future research.
    Original languageEnglish
    Pages (from-to)265-288
    JournalBritish Journal of Health Psychology
    Volume15
    Issue number2
    DOIs
    Publication statusPublished - May 2010

    Bibliographical note

    This is the pre-peer-reviewed version of the following article: Ashford, S. , Edmunds, J. and French, D.P. (2010) What is the best way to change self-efficacy to promote lifestyle and recreational physical activity? A systematic review with meta-analysis. British Journal of Health Psychology, volume 15 (2): 265-288, which has been published in final form at http://dx.doi.org/10.1348/135910709X461752

    Keywords

    • self-efficacy
    • physical activity
    • interventions
    • meta-analysis

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