Cumulative handgrip strength and longitudinal changes in cognitive function and daily functioning among people aged 50 years and older: evidence from two longitudinal cohort studies.
IF 3.2 3区 医学Q2 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH
Bin Han, Ziqian Zeng, Ying Wen, Chu Chen, Daomei Cheng, Yachao Li, Ning Huang, Jia Ruan, Dan Zhao, Qingping Xue
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引用次数: 0
Abstract
Background and purpose: Our study assesses the association between cumulative handgrip strength and longitudinal changes in cognitive function and daily functioning.
Methods: Two comparative cohort studies were used, including the English Longitudinal Study of Ageing (ELSA) and the Survey of Health, Ageing and Retirement in Europe (SHARE). Cumulative handgrip strength was calculated using three repeated measurements of handgrip strength. Linear mixed regression models evaluated the association between cumulative handgrip strength and longitudinal changes in cognitive function and daily functioning. Cox regression models were performed to determine the association between cumulative handgrip strength and the risk of cognitive and functional impairment.
Results: Individuals with lower levels of cumulative handgrip strength had lower global cognition (β: -0.244; 95% CI: -0.317, -0.170 for ELSA and -0.359; -0.406, -0.311 for SHARE) and experienced a faster decline in cognitive function over time (-0.025; -0.037, -0.013 for ELSA, and -0.019; -0.026, -0.013 in SHARE). We found lower levels of cumulative handgrip strength were associated with lower daily functioning (β: 0.267; 95% CI: 0.161, 0.374 for ELSA and 0.153; 0.079, 0.227 for SHARE), and a faster decline in daily functioning over time (0.105; 0.081, 0.129 for ELSA and 0.217; 0.195, 0.238 for SHARE). Furthermore, lower levels of cumulative handgrip strength were related to a higher risk of cognitive and functional impairment.
Conclusions: Our study suggested that lower levels of cumulative handgrip strength was related to an accelerated decline in cognitive function and daily functioning. Persistently strengthening muscle strength should be emphasized in preventing neurodegenerative disorders and disabilities.
期刊介绍：
rchives of Public Health is a broad scope public health journal, dedicated to publishing all sound science in the field of public health. The journal aims to better the understanding of the health of populations. The journal contributes to public health knowledge, enhances the interaction between research, policy and practice and stimulates public health monitoring and indicator development. The journal considers submissions on health outcomes and their determinants, with clear statements about the public health and policy implications. Archives of Public Health welcomes methodological papers (e.g., on study design and bias), papers on health services research, health economics, community interventions, and epidemiological studies dealing with international comparisons, the determinants of inequality in health, and the environmental, behavioural, social, demographic and occupational correlates of health and diseases.
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