Mediators of physical activity behaviour change interventions among adults: a systematic review and meta-analysis.

IF 6.6 1区心理学 Q1 PSYCHOLOGY, CLINICAL Health Psychology Review Pub Date : 2021-06-01 Epub Date: 2020-01-08 DOI:10.1080/17437199.2019.1706614

Ryan E Rhodes, Patrick Boudreau, Karin Weman Josefsson, Andreas Ivarsson

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引用次数: 104

Abstract

An understanding of physical activity through mediators of behaviour change is important to evaluate the efficacy of interventions. The purpose of this review is to update prior reviews with meta-analysis to evaluate the state of physical activity interventions that include proposed mediators of behaviour change. Literature was identified through searching for five key databases. Studies were eligible if they described a published experimental or quasi-experimental trial in English examining the effect of an intervention on physical activity behaviour and mediators in non-clinical adult populations with the necessary statistical information to be included in the meta-analytic structural equation modelling analysis. Fifty-one articles (49 samples) met the eligibility criteria. Small overall effects were identified for mediation paths a (r = .16; 95% CI = .10 to .22), b (r = .21; 95% CI .16 to .27), and c (r = .24; 95% CI .12 to .35), c' (r = .05 to .19) and ab (r = .02 to .07) that showed similar findings by theory and construct. The effect sizes seen in physical activity interventions are mediated by our current theories, but the effects are very small and no one construct/theory appears to be a critical driver of the mediated effect compared to any other. Innovation and increased fidelity of interventions is needed.

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成人身体活动行为改变干预的中介因素:系统回顾和荟萃分析。

通过行为改变的中介了解身体活动对于评估干预措施的效果非常重要。本综述的目的是通过荟萃分析来更新先前的综述，以评估身体活动干预的状态，包括提出的行为改变中介。通过检索五个关键数据库来确定文献。如果研究用英语描述了一项已发表的实验或准实验试验，该试验检验了干预对非临床成年人群的身体活动行为和介质的影响，并提供了必要的统计信息，以纳入元分析结构方程模型分析。51篇文章(49份样本)符合入选标准。中介路径的总体效应较小(r = 0.16;95% ci =。10 ~ 0.22)， b (r = 0.21;95% CI 0.16 ~ 0.27)， c (r = 0.24;95% CI = 0.12 ~ 0.35)， c′(r =。0.05 ~ 0.19)和ab (r =。在理论和结构上显示了相似的发现。在体育活动干预中看到的效应大小是由我们目前的理论介导的，但效果非常小，与其他理论相比，没有一个结构/理论似乎是介导效应的关键驱动因素。需要创新和提高干预措施的保真度。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Health Psychology Review PSYCHOLOGY, CLINICAL-

CiteScore

21.30

自引率

0.00%

发文量

期刊介绍： The publication of Health Psychology Review (HPR) marks a significant milestone in the field of health psychology, as it is the first review journal dedicated to this important and rapidly growing discipline. Edited by a highly respected team, HPR provides a critical platform for the review, development of theories, and conceptual advancements in health psychology. This prestigious international forum not only contributes to the progress of health psychology but also fosters its connection with the broader field of psychology and other related academic and professional domains. With its vital insights, HPR is a must-read for those involved in the study, teaching, and practice of health psychology, behavioral medicine, and related areas.