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To study the association between the food environment and the risk of diabetes among residents and the mediating role of dietary intake.
Based on the data from the surveillance and investigation of chronic diseases and risk factors in Hubei Province from 2018 to 2020, buffers with different radii were constructed centered on the residential areas of the study subjects, and the densities of fast-food restaurants, dessert shops, supermarkets, vegetable markets, and convenience stores in each buffer were calculated to measure the food environment. A multilevel logistic regression model was used to analyze the association between the food environment and the risk of diabetes among residents, as well as the mediating effect of different types of food intake.
A total of 24 467 adults were included in this study, and the prevalence of diabetes was 12.1%. Regression analysis showed that the density of vegetable markets was positively correlated with the risk of diabetes (OR=1.018, 95%CI: 1.004-1.031). The results of the mediating analysis showed that the density of vegetable markets could reduce the risk of diabetes by increasing fruit intake, and the proportion of the mediating effect was 1.32%. Sub-group analysis showed that in the population under 60 years old, the density of supermarkets was negatively correlated with the risk of diabetes (OR=0.962, 95%CI: 0.937-0.988).
The density of vegetable markets is positively correlated with the risk of diabetes among residents, but a higher density of vegetable markets can reduce the risk of diabetes by increasing fruit intake. Optimizing the layout of the food environment and improving the availability of healthy foods can help reduce the risk of diabetes among residents.
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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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