Association with Temperature Variability and Physical Activity, Sedentary Behavior, and Sleep in a Free-Living Population.

Association with Temperature Variability and Physical Activity, Sedentary Behavior, and Sleep in a Free-Living Population.
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DOI:
10.3390/ijerph182413077
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发表时间:
2021-12-11
影响因子:
--
通讯作者:
Lee JM
Lee JM
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Park JH;Kim Y;Welk GJ;Silva P;Lee JM

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本研究探讨了自由生活人群中身体活动(PA)、久坐行为(SB)和睡眠的温度变化。来自美国爱荷华州的1235名成年人(年龄21-70岁)的代表性样本,在随机分配的一天佩戴SenseWear迷你臂章(SWA)。Koppen的天气气候分类被用来精确地将温度分类:冷(-13至32 °F),凉爽(32至50 °F),温和(50至64 °F),温暖(64至73 °F)和热(73至95 °F)。三因素方差分析(年龄×性别×温度)的主效应在SB和睡眠方面存在差异,老年人的水平高于年轻人(p < 0.05)。然而,中度至重度PA(MVPA)并没有因年龄或性别而发生系统性变化,与预期相反,天气对MVPA的主要影响并不显著(p > 0.05)。参与者花更多的时间参加PA在寒冷的温度比在炎热的温度。研究结果阐明了温度对成人PA和SB模式形成的影响。不同年龄的变量影响和差异模式表明,在研究或监测应用中解释PA模式的差异时,应考虑天气。
The present study examines the temperature variability in physical activity (PA), sedentary behavior (SB), and sleep in a free-living population. A representative sample of 1235 adults (ages 21–70) from Iowa, U.S.A., wore a SenseWear Mini Armband (SWA) for a randomly assigned day. Koppen’s weather climate classification was used to precisely classify the temperature: cold (−13 to 32 °F), cool (32 to 50 °F), mild (50 to 64 °F), warm (64 to 73 °F), and hot (73 to 95 °F). The main effect of three-way ANOVA (age × gender × temperature) had differences for SB and sleep, with older adults having higher levels than younger adults (p < 0.05). However, moderate to vigorous PA (MVPA) did not vary systematically by age or gender, and contrary to expectations, the main effect of the weather was not significant for MVPA (p > 0.05). Participants spent more time participating in PA at cold than at hot temperatures. The results clarify the impact of temperature on shaping PA and SB patterns in adults. The variable impacts and differential patterns by age suggest that weather should be considered when interpreting differences in PA patterns in research or surveillance applications.
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