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To analyze the multiple mediating effects of different types of social activities on the relationship between health status and cognitive function, providing insights for mitigating cognitive impairment in older adults.
Using data from the 2018 China Health and Retirement Longitudinal Study, 7 991 individuals aged 65 and older were selected to construct a multiple mediation model examining the mediating effects of physical exercise, cultural and recreational activities, interpersonal interactions, and family life on the relationship between self-rated health and cognitive function.
Self-rated health and the four types of social activities were significantly correlated with cognitive function (P < 0.01). Physical exercise, cultural and recreational activities, interpersonal interactions, and family life exhibited partial mediating effects between self-rated health and cognitive function. Specifically, self-rated health directly influenced cognitive function with an effect size of 0.591 (95%CI: 0.471-0.710). Furthermore, self-rated health mediated cognitive function through the four types of social activities. The mediating effect size was 0.010 (95%CI: 0.002-0.018) for physical exercise, 0.083 (95%CI: 0.055-0.113) for recreational activities, 0.061 (95%CI: 0.042-0.080) for interpersonal interactions, and 0.078 (95%CI: 0.054-0.104) for family life.
Self-rated health can delay cognitive decline in older adults by promoting their participation in social activities.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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