Physical activity and quality of life among university students: exploring self-efficacy, self-esteem, and affect as potential mediators.
Physical activity and quality of life among university students: exploring self-efficacy, self-esteem, and affect as potential mediators.
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DOI：
10.1007/s11136-013-0492-8
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发表时间：
2014-03
影响因子：
3.5
通讯作者：
Pekmezi, Dorothy W.
中科院分区：
文献类型：
--
作者：
Joseph, Rodney P.;Royse, Kathryn E.;Benitez, Tanya J.;Pekmezi, Dorothy W.
体力活动（PA）已被证明可提高老年人的生活质量（QOL）。这些研究结果表明，体力活动和生活质量之间的关系是间接的，可能由诸如身体自尊、锻炼自我效能和情感等变量介导。由于体力活动因年龄差异很大，本研究的目的是将这一研究领域扩展到年轻人，并探索体力活动和生活质量在这一目标人群中的复杂关系。
通过匿名问卷从590名本科生中收集数据。用戈丁闲暇时间锻炼问卷评估体力活动，用生活满意度量表评估生活质量。采用路径分析来检验体力活动和生活质量之间的关系，以及锻炼自我效能、身体自尊和情感的中介作用。
体力活动模型（近似误差均方根RMSEA = 0.03，比较拟合指数CFI = 0.99）解释了生活质量25%的方差。体力活动对锻炼自我效能（β = 0.28，P < 0.001）、身体自尊（β = 0.10，P < 0.001）、积极情感（β = 0.10，P < 0.05）和消极情感（β = 0.08，P < 0.05）有正向直接影响。身体自尊被发现是对生活质量最有力的中介变量（β = 0.30，P < 0.001），其次是积极情感（β = 0.27，P < 0.001）和消极情感（β = 0.14，P < 0.001）。
身体自尊以及在较小程度上的积极情感成为体力活动和生活质量之间联系的组成部分。研究结果表明，旨在促进定期体力活动和提高身体自尊的健康教育项目可能对提高年轻人的生活质量有效。
Physical activity (PA) has been shown to enhance quality of life (QOL) in older adults. Findings from these studies indicate that the relationship between PA and QOL is indirect and likely mediated by variables such as physical self-esteem, exercise self-efficacy, and affect. As PA varies greatly by age, the purpose of the current study is to extend this area of research to young adults and explore the complex relationship between PA and QOL in this target population. Data were collected via anonymous questionnaire from N = 590 undergraduate students. PA was assessed with the Godin Leisure Time Exercise Questionnaire, and QOL was assessed by the Satisfaction with Life Scale. Path analysis was used to test the relationship between PA and QOL, with mediators of exercise self-efficacy, physical self-esteem, and affect. The PA model (RMSEA = .03, CFI = .99) accounted for 25 % of the variance in QOL. PA had positive direct effects on exercise self-efficacy (β = .28, P < .001), physical self-esteem (β = .10, P < .001), positive affect (β = .10, P < .05), and negative affect (β = .08, P < .05). Physical self-esteem was found to be the most powerful mediating variable on QOL (β = .30, P < .001), followed by positive affect (β = .27, P < .001) and negative affect (β = .14, P < .001). Physical self-esteem and, to a lesser extent, positive affect emerged as integral components in the link between PA and QOL. Findings suggest that health education programs designed to promote regular PA and increase physical self-esteem may be effective in improving QOL in young adults.
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影响因子：
6.9
作者：
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通讯作者：
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