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To explore the chain mediating roles of adult socioeconomic status and depression in the relationship between childhood friendship experiences and cognitive function in the elderly.
Based on the panel data of China Health and Retirement Tracking Survey (CHARLS) in 2014, 2018, and 2020, Partial correlation analysis was used to explore the correlation among childhood friendship experience, adult socioeconomic status, depression, and cognitive function of the elderly. The SPSS’s Process 4.1macro program was used to analyze the chain mediation effect, and Bootstrap method was used to verify the mediation variables.
The direct effect of childhood friendship experiences on cognitive function in the elderly was significant(β=0.226, 95% CI: 0.109-0.343). The simple mediating effects of adult socioeconomic status and depression between childhood friendship experiences and cognitive function were significant (β=0.095, 95% CI: 0.067-0.126; β=0.023,95% CI:0.009-0.040). The chain mediating effect of adult socioeconomic status and depression between childhood friendship experiences and cognitive function was significant (β=0.006, 95% CI:0.003-0.010). The total mediating effect and the chain mediating effect respectively account for 35.33% and 1.71% of the total effect.
Childhood friendship experience can directly and positively influence cognitive function in the elderly, and also can influence cognitive function in the elderly through the separate and chain mediating effects of socioeconomic status and depression in adulthood.
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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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