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首页> 外文期刊>Health education & behavior: the official publication of the Society for Public Health Education >The Role of Self-Efficacy and Friend Support on Adolescent Vigorous Physical Activity
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The Role of Self-Efficacy and Friend Support on Adolescent Vigorous Physical Activity

机译：自我效能感和朋友支持的角色青春期剧烈的身体活动

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摘要

Objectives. Physical activity, including some form of vigorous activity, is a key component of a healthy lifestyle in young people. Self-efficacy and social support have been identified as key determinants of physical activity; however, the mechanism that reflects the interplay of these two factors is not well understood. The aim of the current study was to test social cognitive theory's notion that self-efficacy relates to intention that translates into behavior and to investigate whether friend support and self-efficacy synergize, interfere, or compensate for one another to predict vigorous physical activity in adolescentsa population at risk of rapid decreases in physical activity. Method. A survey at two points in time was conducted in 226 students aged 12 to 16 years. In a conditional process analysis, friend support and physical activity self-efficacy were specified as interacting predictors of intention. The latter was specified as a mediator between self-efficacy and later vigorous physical activity, controlling for sex and age. Results. Self-efficacy emerged as the dominant predictor of intention, followed by friend support, and an interaction between support and self-efficacy. In adolescents with high self-efficacy, intention was independent of support. In those with low self-efficacy, receiving friend support partly compensated for lack of self-efficacy. The effect of self-efficacy on vigorous physical activity was mediated by intention. Conclusions. Adolescent vigorous physical activity was indirectly predicted by self-efficacy via intention, and this mediation was further moderated by levels of friend support, indicating that friend support can partly buffer lack of self-efficacy.
机译：目标。剧烈的活动,是一个关键组成部分健康的生活方式在年轻人。和社会支持被确定为关键身体活动的决定因素;机制,反映了这些的相互作用两个因素原因还不是很清楚。目前的研究是社会认知测试自我效能感相关理论的概念转化为行为和意图调查是否支持和朋友自我效能感加强,干预或补偿一个另一个预测有力的身体活动adolescentsa人口的风险快速减少体力活动。调查在两个时间点是在226年进行的12至16岁的学生。和物理过程分析、朋友支持活动自我效能被指定为相互作用的预测意图。被指定为自我效能之间的中介后来剧烈的身体活动,控制性别和年龄。意向的主要因素,紧随其后朋友的支持,和之间的交互支持和自我效能感。高自我效能,目的是独立的支持。获得朋友的支持部分补偿缺乏自我效能。自我效能感剧烈的身体活动由意图。剧烈的身体活动是间接的自我效能感通过预测的意图这个中介是通过水平的进一步放缓朋友的支持,表明朋友支持可以在一定程度上缓冲缺乏自我效能。

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