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To explore the influence of social activity on cognitive ability among middle-aged and elderly people in rural China and the mediating role of depression.
Based on the data from the 2020 China Health and Retirement Longitudinal Study, 7 058 rural middle-aged and elderly people aged 45 and above were selected as the research subjects. Social activity was measured by the types and frequency of social activities. Cognitive ability was evaluated by the Mini- Mental State Examination (MMSE), and depression was measured by the (CES-D 10) scale. Descriptive statistics and partial correlation analysis were used for data analysis, and the Process macro program was used to test the mediating effect.
The mediating effect test showed that social activity among rural middle-aged and elderly people had a direct effect on cognitive ability (β=0.066, 95%CI: 0.039-0.093), accounting for 92.96% of the total effect. Depression (β=0.005, 95%CI: 0.001-0.010), accounting for 7.04% of the total effect, played a mediating role between them.
Improving the social activity of rural middle-aged and elderly people may effectively relieve their depression and promote the protection of cognitive function. Support and promotion of social activities for rural middle-aged and elderly people should be strengthened to improve their mental health and cognitive ability.
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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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