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To verify the relationship between social participation and cognitive decline in the elderly, and to explore the effects of different types of social participation on cognitive decline based on data from the China Health and Retirement Longitudinal Study.
A total of 3 016 individuals aged 60 and above, who were followed across all five waves and did not have Alzheimer’s disease, was selected from the database to construct a balanced panel dataset. A fixed-effects Logit model controlling for individual-level characteristics was established.
The prevalence of cognitive decline among the elderly at baseline was 6.4%, which increased to 30.7% by the fifth wave. The proportion of cognitively declined elderly individuals engaging in social participation was 3.2% to 10.5% lower than those not participating. In the fixed-effects Logit analysis, the odds ratio (OR) was 0.575 (95%CI: 0.502-0.658), indicating an impact magnitude of approximately 40%. Among different types of social participation, social engagement significantly affected cognitive decline, with an OR of 0.640 (95%CI: 0.494-0.828).
The government should implement the concept of active aging, improve participation mechanisms, effectively ensure the rights of the elderly to engage in social participation, and encourage their involvement 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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