Abstract
The present study aimed to examine the current status and influencing mechanisms of different demographic factors associated with cognitive function in urban Chinese older adults. A total of 644 older adults from 14 communities in urban China (e.g., Shanghai, Beijing, and Wuxi) were investigated by using the Mini-Mental State Examination and the Repeatable Battery for the Assessment of Neuropsychological Status. The results indicated that the overall cognitive function of older adults in urban China was normal. We found an aging effect on cognitive level, and cognitive function declined more rapidly after age 80. Older age, unmarried status, and lower occupational cognitive requirements increased the likelihood of cognitive risk. Higher educational levels and active engagement in exercise may contribute to cognitive reserve and have a protective effect on cognitive decline in late life. Further study is needed to develop appropriate interventions to improve the mental health of older people.
Highlights
Aging has become an important public health issue due to the acceleration of the global population aging process, in developing countries
We aimed to explore the current status of cognitive function in urban Chinese older adults and the impact of demographic factors on different cognitive domains
We used univariate analysis with the Mini-Mental State Examination (MMSE) and RBANS total scores to examine the influence of factors on cognitive function
Summary
Aging has become an important public health issue due to the acceleration of the global population aging process, in developing countries. China is an aging society with the largest older population in the world (Han et al, 2020). The number of older people has increased rapidly at an unprecedented rate in the past few decades. By the end of 2019, the number of people aged 60 and older reached approximately 254 million, accounting for 18.1% of the total population in China (National Bureau of Statistics of China, 2020). It is estimated that the older population will account for more than 30% in 2050, showing a continuously increasing aging trend.
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