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The efficacy of a self‐managed Acceptance and Commitment Therapy intervention DVD for physical activity initiation

APA Citation

Moffitt, R., & Mohr, P. (2015). The efficacy of a self‐managed Acceptance and Commitment Therapy intervention DVD for physical activity initiation. British Journal of Health Psychology, 20(1), 115-129. https://doi.org/10.1111/bjhp.12098

Publication Topic
ACT: Empirical
Publication Type
Article
RCT
Language
English
Keyword(s)
Acceptance and Commitment Therapy, physical activity, video
Abstract

Objectives. Initiating and maintaining physical activity presents the individual with challenges of inconvenience, discomfort, and counteractive energy. Addressing these

challenges requires an intervention that elicits motivation to engage in this activity, minimizes the direct relationship between unwanted internal experiences and inaction,

and is also in itself accessible and convenient. Accordingly, this study investigated the efficacy of a self-managed Acceptance and Commitment Therapy (ACT) intervention delivered via DVD and tailored for physical activity initiation.

Design and methods. Fifty-nine minimally active community participants were randomly allocated to receive a 12-week pedometer-based walking programme, or the same walking programme with the additional provision of the ACT DVD. The primary outcome was overall physical activity level (assessed at baseline and post-intervention), and the secondary outcome was pedometer-assessed step count (measured at 4-weekly intervals throughout the intervention period).

Results. Participants who received the ACT DVD achieved a significantly greater increase in physical activity levels post-intervention, were more likely to achieve the goals specified in the programme, and reported a higher average step count than participants who received the walking programme in isolation.

Conclusions. The ACT intervention, delivered via DVD for the promotion of physical activity, proved a simple, efficient, and accessible method to encourage positive short-term increases in an important health-promoting behaviour.