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To understand the prevalence and annual change trend of Internet addiction among students aged 11 and 22 in Inner Mongolia in 2019 and 2021, and to explore the influencing factors of Internet addiction behavior, so as to provide reference basis for the prevention of Internet addiction among students.
Students were selected from 12 cities of Inner Mongolia Autonomous Region by stratified cluster random sampling. Internet addiction disorder was determined according to the items of “surveillance and intervention of common diseases and health influencing factors of students in China”. Logistic regression method was used to analyze the relationship between Internet addiction and behavioral factors.
The prevalence of Internet addiction among students aged 11 to 22 years in Inner Mongolia in 2019 was 1.92%, 2.50%, and 2.21%, respectively. Logistic regression analysis showed that vocational high school (OR=1.347, 95%CI: 1.083-1.675), single parent family (OR=1.279, 95%CI:1.090-1.500), reconstituted family (OR=1.326, 95%CI: 1.041-1.690), bullying (OR=1.755, 95%CI: 1.443-2.135), depression (OR=3.557, 95%CI: 3.146-4.021), fighting (OR=3.374, 95%CI: 2.512-4.531), sugary drinks (OR=2.182. 95%CI:1.753-2.716),and eating fried food (OR=2.398, 95%CI: 1.908-3.014) were the risk factor of Internet addiction. Outdoor activities for 2 hours (OR=0.620, 95%CI: 0.530-0.726), non-smoking (OR=0.553, 95%CI: 0.476-0.643), and non-drinking (OR=0.581, 95%CI:0.507-0.666) were the protective factors of Internet addiction.
The current situation of Internet addiction among students in Inner Mongolia is not optimistic. Attention should be paid to bullying, depression, reconstituted families, fighting students, and vocational high school students. Outdoor activities for 1 to 2 hours a day, reducing the intake of sugary drinks and fried foods, and no smoking and drinking can effectively reduce the incidence of Internet addiction.
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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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