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Outline
This study aims to explore the association between social relationships and the risk of death among older adults in China.
The research subjects were 5 642 older people aged 65 and above who participated in the China Longitudinal Healthy Longevity Survey from 2011 to 2018. Social relationships were defined using the social relations model and its subdimensions: social activities, social networks, and social support. The Cox proportional hazards regression model was used to estimate the association between social relationships and the risk of death among older adults.
Compared with a medium-level social relationship, a high-level social relationships (HR: 0.73, 95% CI: 0.64-0.84) was inversely associated with the risk of death among older adults in China. Compared with moderate levels of social activities and social support, high-level social activities (HR: 0.64, 95% CI: 0.40-0.96) and high-level social support (HR: 0.91, 95% CI: 0.74-0.98) were inversely associated with the risk of death among older adults in China, but the relationship between social networks and the risk of death among older adults in China was not significant.
A high level of social relationships is significantly inversely associated with the risk of death among older adults in China. Policy interventions should create and promote social activity platforms suitable for the elderly, and support and consolidate family-based social support systems.
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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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