在老年人中,睡眠时间和认知功能的值效应,BMI≥25kg/m2
Kunyu Qiu1,2, Yilei Liu1, Chengwei Hu1
1Shanghai Putuo District Changzheng Town Community Health Service Center, Shanghai, China.
Frontiers in aging neuroscience
|January 22, 2025
概括
对超重或肥胖的老年人来说,最佳的睡眠时间可以防止认知能力下降. 研究表明,在这个人口群体中,睡眠和认知功能之间存在一个反转的U形关系,这表明大约5-6小时是有益的.
科学领域:
- 老年学是一门学科.
- 认知神经科学 认知神经科学
- 公共卫生 公共卫生
背景情况:
- 睡眠时间与老年人的认知功能有关.
- 睡眠对超重/肥胖老年人 (BMI ≥25 kg/m2) 认知的影响尚未得到充分研究.
- 肥胖和认知衰退的关联需要进一步调查.
研究的目的:
- 研究超重或肥胖的老年人睡眠时间和认知表现之间的关系.
- 探索潜在的值效应和非线性关联.
主要方法:
- 利用了来自国家健康和营养检查调查 (NHANES) (2011-2014) 的数据,其中有2,243名参与者.
- 使用加权多变量线性回归和平滑曲线适合关系分析.
- 应用了两部分线性回归和子组分析来确定值效应.
主要成果:
- 在完全调整的模型中,观察到睡眠时间和CERAD,AFT和DSST测试的表现之间存在负相关性.
- 确定了一个值效应,睡眠时间 (小于5-6小时) 与CERAD,AFT和DSST分数之间存在正相关性.
- 在超重和肥胖的老年人中,睡眠时间和认知功能之间发现了反转的U形关系.
结论:
- 在超重和肥胖的老年人中,睡眠时间和认知功能之间存在一个反转的U形关系.
- 大约5-6小时的睡眠时间可能是预防这一群体认知能力下降的最佳选择.
- 研究结果强调了睡眠管理对高BMI的老年人认知健康的重要性.
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