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To analyze the prevalence of dementia among elderly people in China, to look into the factors that may influence it, and to consider the impact of the interplay between depression and reduced activity of daily living (ADL) function.
This study, which used data from the 2018 Chinese Longitudinal Healthy Longevity Survey (CLHLS), described the statistical status of dementia in 7 588 people over the age of 60 and explored the interaction between depression and different types of activities of daily living abilities on the prevalence of dementia based on logistic regression modelling.
High level of chronic disease co-morbidity (OR=1.634, 95% CI: 1.133-2.355), depression (OR=2.141, 95% CI: 1.505-3.044), impaired basic activity of daily living (BADL)(OR=5.576, 95% CI:4.249-7.317) and reduced instrumental activity of daily living (IADL) (OR=2.663, 95% CI: 1.738-4.082) were risk factors for dementia in older adults. There was an additive interaction between depressive symptoms and impaired BADL capacity. Older adults with depressive symptoms and reduced BADL performance had a 13.917-fold (OR=13.917, 95% CI: 8.694-22.279) increased chance of developing dementia.
Additive interaction between the depressive symptoms and impaired BADL capacity on the development of dementia, adopting effective steps to manage depressive symptoms and enhance BADL ability will help lower that risk.
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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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