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目的了解武汉市中学生超重肥胖现况及其相关行为危险因素,为中学生肥胖干预提供科学依据。方法随机整群抽取武汉市2所中学共1 011名学生进行问卷调查。参照中国学龄儿童青少年超重肥胖筛查BMI分类标准,将中学生分为体重正常组与超重肥胖组进行分析比较。结果男生肥胖检出率高于女生,不同年级学生超重肥胖率差异有统计学意义(P<0.05)。多因素Logistic回归分析显示,性别、享受做体育活动、把水果或蔬菜作为点心代替炸薯条或糖、朋友鼓励不要长时间久坐不动等均是儿童超重肥胖发生的影响因素(P值均<0.05)。结论青少年体育活动以及膳食习惯对肥胖的发生有影响,同伴的作用亦不容忽视。
Objective To understand the status of overweight and obesity among middle school students in Wuhan and its related behavioral risk factors to provide a scientific basis for obesity intervention in middle school students. Methods A total of 1 011 students from 2 middle schools in Wuhan were randomly selected for questionnaire survey. According to the Chinese BMI classification criteria for overweight and obesity in school-age children and adolescents, secondary school students were divided into normal weight group and overweight and obesity group for analysis and comparison. Results The prevalence of obesity in boys was higher than that in girls, and there was significant difference in overweight and obesity among different grades (P <0.05). Multivariate logistic regression analysis showed that gender, physical activity, fruit or vegetable as a substitute for French fries or sugar, and friends encouraged not to sit still for a long time are the influencing factors of children overweight and obesity (P value <0.05). Conclusion Adolescents’ sports activities and dietary habits have an impact on the incidence of obesity. The role of companions should not be overlooked.