The association between physical activity and cognitive function in the elderly in rural areas of northern China

作者：Xueyan Wang, Jiesong Zhang, Chen Chen, Zhonghai Lu, Dongfeng Zhang, Suyun Li · 发表于：Frontiers in Aging Neuroscience · 年份：2023 · DOI：10.3389/fnagi.2023.1168892 · 被引用次数：28 · 研究领域：Dementia and Cognitive Impairment Research、Older Adults Driving Studies、Cancer-related cognitive impairment studies

Background Physical activity plays an important role in cognitive function in older adults, and the threshold effect and saturation effect between physical activity and cognitive function are unclear. Objective The purpose of this study was to explore the threshold effect and saturation effect between physical activity and cognitive function in the elderly. Methods The International Physical Activity Questionnaire (IPAQ) was used to measure moderate-intensity physical activity and vigorous-intensity physical activity and total physical activity in older adults. Cognitive function assessment uses the Beijing version of the Montreal Cognitive Assessment Scale (MoCA). The scale consists of seven parts: visual space, naming, attention, language, abstract ability, delayed recall and orientation, for a total of 30 points. The total score of the study participants < 26 was defined as the optimum cutoff point for a definition of mild cognitive impairment (MCI). The multivariable linear regression model was used to initially explore the relationship between physical activity and total cognitive function scores. The logistic regression model was used to assess the relationship between physical activity and cognitive function dimensions and MCI. The threshold effect and saturation effect between the total physical activity and the total cognitive function scores were investigated by smoothed curve fitting. Results This cross-sectional survey had a total of 647 participants aged 6...