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To explore the relationship between sleep quality and depression among elderly individuals in Shanghai’s communities, as well as the mediating role of physical activity.
A multi-stage cluster sampling method was employed to survey 2 500 elderly individuals aged 60 and above in Hongkou District, Shanghai. A self-developed demographic questionnaire, the Pittsburgh Sleep Quality Index (PSQI), the Physical Activity Scale for the Elderly (PASE), and the Geriatric Depression Scale (GDS) were used for data collection. Pearson correlation analysis and linear regression analysis were conducted to investigate the relationships among sleep quality, physical activity, and depression, while the mediating effect of physical activity was tested using the PROCESS macro in SPSS 27.0.
The average sleep quality score among community-dwelling elderly in Shanghai was 6.11±2.90, the physical activity level score was 156.23±96.67, and the depression score was 4.01±5.40. A positive correlation was identified between sleep quality and depression (r=0.488, P < 0.001), while a negative correlation existed between physical activity level and depressive symptoms (r=-0.414, P < 0.001). Physical activity partially mediated the relationship between sleep quality and depression, accounting for 8.79% of the total effect.
Sleep quality and depression are closely related among community-dwelling elderly in Shanghai, with physical activity playing a partial mediating role. Enhancing sleep quality and physical activity levels among the elderly may help prevent and alleviate depression.
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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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