身体质量指数,腰围,部周长,腹部体积指数和老年中国人的认知功能:全国性的研究
Zhenzhen Liang1, Wei Jin2, Li Huang3
1Department of Epidemiology and Health Statistics, School of Public Health, Xinxiang Medical University, Xinxiang, 453003, China.
BMC geriatrics
|November 8, 2024
概括
在中国老年人中,腰部的较低和部周长的较高与更好的认知功能有关. 保持正常或更高的体重指数 (BMI) 和更大的部周长可能会防止认知能力下降.
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:
- 肥胖悖论表明正常或体重不足的人具有较差的认知功能,而中度肥胖可能是保护性的.
- 现有的关于老年人群体内身体组成和认知功能的研究需要进一步调查,特别是在不同的种族群体中.
研究的目的:
- 检查各种人体测量指标 (BMI,WC,HC,WHtR,WHR,AVI) 与中国老年人认知障碍之间的关联.
- 研究身体质量指数 (BMI) 和部周长 (HC) 对这一群体认知功能的联合影响.
主要方法:
- 在2018年中国长度健康长寿调查 (CLHLS) 中,对10579名65岁以上的中国成年人进行了横截面研究.
- 人类测量测量 (BMI,WC,HC,WHtR,WHR,AVI) 从直接测量中计算;认知障碍使用迷你精神状态检查进行评估.
- 用二进制逻辑回归和受限立方线曲线来分析关联和非线性关系.
主要成果:
- 腰部周长 (WC),部周长 (HC),腰比 (WHR) 和腹部体积指数 (AVI) 与减少认知障碍有关.
- 对认知功能的最佳体重指数 (BMI) 约为25.5kg/m2 (超重范围).
- 对部周长 (HC) 观察到非线性"N"形关系,认知障碍风险最低在~101厘米. 联合分析表明正常/较高的BMI与较高的HC是最具保护性的.
结论:
- 身体形状的特点是腰部较低,部周长较高,这对中国老年人的认知功能有益.
- 腹部体积指数 (AVI) 显示与认知障碍有显著的关联.
- 维持正常或更高的BMI与更高的HC相结合似乎最有利于在老年时保持认知功能.
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