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To analyze the risk factors related to the development of adolescent myopia to identify the risk factors and protective factors, to provide basis for implementing prevention and control measures for adolescent myopia.
From September 2021 to April 2022, a questionnaire survey was conducted among junior and senior high school students in a middle school group in Chengdu by stratified cluster sampling, including personal basic information and risk factors related to the development of myopia. A total of 2 072 participants were included. SAS9.4 software was used for univariate analysis, and R4.2.3 software was used to analyze the statistically significant factors using multiple logistic regression.
The results of univariate analysis showed that there were 15 factors including sex (χ2=25.56, P<0.001), age (F=62.11, P<0.001), and grade (χ2=192.7, P<0.001) were significantly associated with myopia. The results of multiple logistic regression showed that among the 15 independent variables, seven variables including gender, grade, and frequency of doing eye exercises were statistically significant. The protective factors included doing eye exercises every day (OR=0.64, 95%CI: 0.42-0.98) and doing physical exercise for more than 1.5 hours (OR=0.52, 95%CI: 0.33-0.83). The risk factors included female students (OR=1.47, 95%CI: 1.20-1.81), average daily time of using electronic products > 5 hours to 7 hours (OR=3.10, 95%CI: 1.42-6.80), and average time of doing homework per day > 3 hours to 4 hours (OR=1.57, 95%CI: 1.16-2.12).
There are multiple risk factors related to the development of adolescent myopia. It is suggested to implement targeted prevention and control measures to prevent and control the risk factors.
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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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