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Outline
To explore the mediating role of activities of daily living (ADL) and depression between chronic disease comorbidity and self-rated health in empty-nest elderly, and to provide a reference for improving the self-rated health and quality of life of empty-nest elderly.
A total of 3 542 empty-nest elderly aged 60 years and older from the 2020 China Health and Retirement Longitudinal Study were selected as study subjects. Spearman’s correlation analysis was employed to explore the associations between chronic disease comorbidity, ADL, depression, and self-rated health among empty-nest elderly. The Process 4.1 plugin model 6 in SPSS was used to analyse the mediating effects of ADL and depression on the relationship between chronic disease comorbidity and self-rated health among empty-nest elderly.
The direct effect of chronic disease comorbidity on self-rated health among empty-nest elderly individuals was statistically significant (β=-1.2397, 95% CI: -1.4139~-1.0655), the separate mediating effect of ADL was statistically significant (β=-0.159, 95% CI: -0.278~-0.079), the separate mediating effect of depression was statistically significant (β=-0.160, 95% CI: -0.214~-0.115), and the chain mediating effect of ADL and depression was statistically significant (β=-0.073, 95% CI:-0.094~-0.056).
Chronic disease comorbidity can directly negatively impact the self-rated health status of empty-nest elderly individuals. It may also influence their self-rated health through the independent or chain mediating effects of activities of ADL and depression. Consequently, it is recommended that policy measures prioritise empty-nest elderly individuals within health interventions to reduce their risk of chronic disease comorbidity. This should involve establishing a comprehensive support system centred on functional assessment and psychological intervention, thereby improving the self-rated health status of this demographic.
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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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