久坐不动的行为,光强度的体力活动和健康的衰老
Hongying Shi1,2, Frank B Hu2,3,4, Tianyi Huang3,4
1Department of Epidemiology and Health Statistics, School of Public Health, Wenzhou Medical University, Zhejiang, China.
JAMA network open
|June 11, 2024
概括
减少看电视和增加轻度体力活动 (LPA) 或中度至强度体力活动 (MVPA) 促进健康的衰老. 用LPA,MVPA或睡眠取代久坐的时间可以改善健康结果.
科学领域:
- 老年学是一门学科.
- 公共卫生 公共卫生
- 流行病学 流行病学
背景情况:
- 睡眠时间和中度至强度的体力活动 (MVPA) 与健康的衰老有关.
- 久坐不动的行为,光强度体力活动 (LPA) 和健康的衰老之间的关联仍然不清楚.
研究的目的:
- 调查静坐行为和LPA与健康衰老的独立关联.
- 评估用LPA,MVPA或睡眠代替久坐行为对健康衰老的影响.
主要方法:
- 1992年,从护士健康研究中对超过45,000名女性进行了前性队列研究,这些女性年龄在50岁以上,并且没有慢性疾病,在20年内进行了跟踪.
- 评估了久坐不动的行为 (看电视,工作坐着,在家坐着) 和LPA (在家,在工作).
- 健康老龄化被定义为70岁以上的生存,没有主要的慢性疾病或记忆力,身体或精神健康的损害;采用同时代替代模型.
主要成果:
- 增加电视观看与健康老龄化几率下降12%有关.
- 基于工作的LPA增加与健康老龄化几率增加6%有关.
- 用LPA (在家或工作) 或MVPA取代电视时间增加了健康衰老的几率;用睡眠取代电视时间也有利于那些睡眠时间小于7小时的人.
结论:
- 长时间看电视对健康的衰老有害,而LPA和MVPA是有益的.
- 重组24小时的行为,特别是减少久坐时间和增加身体活动或睡眠,可以促进健康的衰老.
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