中老年人认知功能与握力的相关性研究——基于CHARLS数据

摘要/Abstract

摘要： 目的探究中国55岁及以上中老年人认知功能与握力的相关性。方法使用2011年5月~2012年3月中国健康与养老追踪调查（CHARLS）全国基线数据,纳入55岁及以上中老年人7 833人,分析一般资料、认知功能及其他健康因素与握力的相关性。使用软件Stata 14.1进行描述性统计和多元线性回归分析。结果本研究样本平均年龄为64.4岁,女性占49.4%,平均握力为31.1 kg。回归结果显示,男性（β=-11.004,P<0.001）、年龄更小（β=-0.347,P<0.001）、教育水平更高（β=0.805,P<0.001;β=1.971,P=0.003）和城市户口（β=0.720,P=0.001）的中老年人有更大的握力。有2种及以上慢性病（β=-0.514,P=0.012）的中老年人握力显著小于没有慢性病的中老年人,日常生活活动能力失能（β=-2.238,P<0.001;β=-1.331,P<0.001）、有抑郁症状（β=-1.161,P<0.001）、无社交活动（β=0.399,P=0.026;β=0.684,P=0.008）的中老年人握力更小。认知功能电话问卷（TICS）（β=0.139,P=0.001）、词语回忆（β=0.334,P<0.001）均与握力显著相关,分数越高,握力越大,画图正确的中老年人握力显著大于画图错误的中老年人（β=0.781,P<0.001）。结论 TICS、词语回忆和画图三项认知功能均与中老年人握力成正相关,握力可作为识别中老年人认知功能情况的指标。

关键词: 认知功能, 握力, 中老年人, CHARLS

Abstract: Objective To explore the association between cognitive functions and grip strength among Chinese older adults. Methods This study analyzed the baseline data of China Health and Retirement Longitudinal Study (CHARLS) collected from May 2011 to March 2012, with 7 833 adults aged 55 years and above recruited, and to explore the association between grip strength and general information, cognitive functions as well as other health factors. Descriptive statistics and multiple linear regression analysis were performed using the software Stata 14.1. Results The sample of this study included 49.4% women, and the average age and grip strength was 64.4 years and 31.1kg. Men (β=-11.004, P<0.001), adults with younger age (β=-0.347, P<0.001), with higher education level (β=0.805, P<0.001; β=1.971, P=0.003), and with urban hukou (β=0.720, P=0.001) had greater grip strength. The grip strength of the older adults with two or more chronic diseases (β=-0.514, P=0.012) was significantly lower than that of the older adults without any chronic disease, and the grip strength of the older adults with disability in activities of daily living (β=-2.238, P<0.001; β=-1.331, P<0.001), depressive symptoms (β=-1.161, P<0.001), and no social activities (β=0.399, P=0.026; β=0.684, P=0.008) was smaller. Telephone interview for cognitive status (TICS) (β=0.139, P=0.001), word recall (β=0.334, P<0.001) and drawing (β=0.781, P<0.001) were significantly associated with grip strength. Conclusion The three cognitive functions of TICS, word recall and drawing are positively associated with the older adults' grip strength. The grip strength can be used as an indicator to identify the cognitive functions of the older adults.

Key words: cognitive functions, grip strength, older adults, CHARLS

中图分类号:

宋雅云. 中老年人认知功能与握力的相关性研究——基于CHARLS数据[J]. 中华养生保健, 2022, 40(19): 1-5.

SONG Ya-yun. Association between Cognitive Functions and Grip Strength among the Older Adults: Based on CHARLS Data[J]. ZHONGHUA YANGSHENG BAOJIAN, 2022, 40(19): 1-5.

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