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To evaluate the relationship between dietary diversity and hypertension among residents aged 35-74 in the Guangxi Province, to analyze the association between dietary diversity and hypertension by assessing the Dietary Diversity Score (DDS), and to provide reference for improving dietary diversity and controlling hypertension in the local population.
This cross-sectional study included participants from the Prospective Cohort Study on Chronic Diseases in Guangxi Ethnic Minority Population. Baseline surveys and physical measurements were conducted on residents aged 35-74. A dietary diversity score (DDS) was calculated based on a food frequency questionnaire. Binary logistic regression models were used to explore the relationship between DDS and hypertension, and restricted cubic spline models were used to examine the dose-response relationship between DDS and hypertension.
A total of 12 896 participants were included, among whom 4541 (35.21%) were diagnosed with hypertension. The mean DDS of residents aged 35-74 in Guangxi was (5.45±1.39). The consumption frequency of cereals and tubers was high, while the intake of dairy products was relatively low. The binary logistic regression analysis showed that after adjusting for confounding factors, DDS was a protective factor for hypertension (OR=0.95, 95% CI: 0.92-0.98, P=0.001). The restricted cubic spline model demonstrated a linear dose-response relationship between DDS and hypertension (Poverall trend<0.05, Pnon-linearity=0.787). As DDS increased, the risk of hypertension linearly decreased.
The prevalence of hypertension is high among residents aged 35-74 in the Guangxi Province, while the level of dietary diversity is relatively low. Increasing dietary diversity may help reduce the incidence of hypertension.
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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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