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Toanalyze the prevalence and determinants of chronic obstructive pulmonary disease (COPD) among the Hani ethnic minority older adults in rural areas of Yunnan Province.
The multi-stage stratified random sampling method was employed to select 1 402 rural Hani ethnic minority older adults aged ≥60 years in Mojiang County, Yunnan, each participant received a questionnaire survey and physical examination. Structure Equation Modeling (SEM) was applied to assess the possible influencing factors of COPD status.
Among the Hani ethnic minority older adults investigated, the prevalence of COPD was 8.84%. Men had a significantly higher prevalence of COPD than women (12.04% and 5.90%, χ2=16.348,P<0.001). Prevalence of COPD increased with advancing age (χ2=5.625,P=0.018). Hani older adults with a family history of COPD, individuals with low body mass index, and smokers had a higher prevalence of COPD than their counterparts (χ2=13.791,χ2=36.651,χ2=14.963,P<0.001). The results of SEM analysis indicated that gender, age, low body mass index, smoking had an effect on prevalence of COPD with the total effects of -2.53, 0.66, 1.79, 1.20 and 0.30, respectively.
The prevalence of COPD among Hani older adults was comparatively low in rural Yunnan, and men, advanced age groups, those with a family history of COPD, those with a low body mass index, and smokers were the priority populations for COPD prevention and control.
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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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