Depressed mood but not fatigue mediate the relationship between physical activity and perceived stress in middle-aged women.
Depressed mood but not fatigue mediate the relationship between physical activity and perceived stress in middle-aged women.
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DOI：
10.1016/j.maturitas.2009.09.007
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发表时间：
2009-12-20
期刊：
影响因子：
4.9
通讯作者：
Gold CH
中科院分区：
文献类型：
--
作者：
Elavsky S;Gold CH
确定抑郁情绪和疲劳是否介导体力活动、体重指数、更年期潮热和感知压力之间的关系。本研究是对 TREMIN 妇女健康研究计划的围绝经期和绝经后妇女 (N = 212) 子样本数据的二次分析。假设的中介模型在 Mplus 5.1 版的结构方程建模框架内使用路径分析进行了测试。在未经调整的分析中，体力活动、更年期潮热和感知压力之间的关系是由抑郁情绪调节的。疲劳介导了潮热、体重指数和感知压力之间的关系。当调整年龄、失眠、更年期和激素使用状态时，抑郁情绪对压力的中介作用仅对体力活动仍然显着，而疲劳介导了潮热和压力之间的关系。调整后的模型解释了 70% 的感知压力差异、82% 的抑郁情绪差异和 81% 的疲劳差异。抑郁情绪可能部分解释了中年女性体力活动与感知压力之间的关系，但还需要进一步研究来证实因果关系。
To determine whether depressed mood and fatigue mediate the relationships between physical activity, body mass index, menopausal hot flashes, and perceived stress. This study is a secondary analysis of data obtained from a sub-sample of peri- and postmenopausal women (N = 212) from the TREMIN Research Program on Women’s Health. The hypothesized mediational model was tested using path analysis within a structural equation modeling framework in Mplus Version 5.1. In unadjusted analysis, the relationships between physical activity, menopausal hot flashes, and perceived stress were mediated by depressed mood; fatigue mediated the relationships between hot flashes, body mass index, and perceived stress. When adjusting for age, insomnia, menopausal and hormone use status, the mediational effects of depressed mood on stress remained significant only for physical activity, and fatigue mediated the relationship between hot flashes and stress. The adjusted model explained 70% of variance in perceived stress, 82% of variance in depressed mood, and 81% of variance in fatigue. Depressed mood may partially explain the relationship between physical activity and perceived stress in middle-aged women, however further studies are needed to corroborate causality.
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影响因子：
7.6
作者：
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通讯作者：
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DOI：
10.1080/10705519909540118
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