公共卫生 公共卫生
Xiuxiu Huang1, Chengfengyi Yang2, Shifang Zhang2
1School of Nursing, Shanghai Jiao Tong University, Shanghai, Shanghai, China.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 23, 2025
概括
优化日常运动行为,比如增加中度至高度的体力活动,与老年人患痴呆风险更好的认知功能有关. 通过体力活动取代久坐时间或睡眠显示出认知效益.
科学领域:
- 老年学是一门学科.
- 神经科学是一个神经科学.
- 公共卫生 公共卫生
背景情况:
- 认知能力下降在老年人群中越来越令人担忧,特别是在那些有痴呆风险的人群中.
- 了解可修改的生活方式因素,如日常运动模式,对于保持认知健康至关重要.
- 24小时运动行为 (24HMB) 包括睡眠,久坐时间和体力活动,所有这些都可能影响认知.
研究的目的:
- 研究24小时运动行为 (24HMB) 的时间重新分配与认知功能之间的关联.
- 检查睡眠组成,久坐时间和体力活动的变化如何影响老年人患痴呆风险的认知.
主要方法:
- 采用横截面的研究设计,招募社区居住的老年人,有痴呆风险.
- 全球认知被评估使用蒙特利尔认知评估尺度.
- 24HMB在连续七天内使用手腕佩戴的ActiGraph设备客观测量,并使用组合回归和同时代替代模型进行分析.
主要成果:
- 复合回归分析表明,即使对共变量进行调整后,在中度至高水平的体力活动和全球认知之间的时间之间存在正相关性.
- 同时代替代模型表明,用中度至高度的体力活动取代10-30分钟的静坐时间或睡眠与提高认知表现有关.
- 没有发现24HMB时间利用组成和认知功能之间的其他显著关联.
结论:
- 24小时运动行为的组成,特别是将时间分配给中度至高度的体力活动,与老年人患痴呆风险的认知功能有显著的关联.
- 将时间从久坐式行为和睡眠转移到中度至高度的体力活动可能是提高这一群体认知功能的有益策略.
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