Association Between Obesity, Sport And Eating Habit Among The Middle School Students In Wuhan

ObjectiveTo understand the prevalence rates of overweight and obesity of the middle schoolstudents in Wuhan, and to explore the relationship between weight, sport and eatinghabit, so to provide the theoretical evidence for making scientific strategies of eatingand sport among the middle school students.MethodsAstratified cluster sampling method was conducted to select students of grade7,8,10,11from two junior and senior high schools. The demographic characteristics,sport and eating habits were measured by a self reported questionnaire. According toWGOC-BMI criterion(2004), the students were classified into overweight, obesity..All data were inputted in computer by using Epidata3.1, and analysis was conductingby using SPSS18.0software. Statistical method including descriptive analysis,Chi-square test was used for categorical variable, and overweight and obesity wereregressed by family environment, sport, sitting, eating habit and so on.Results1. A total sample of1056students were recruited in the survey, and the effectivequestionnaires were1014, effective response rate was96.0%. The prevalence rates ofoverweight and obesity was10.5%and3.3%, respectively. With14.4%and4.4%boys were overweight and obesity, and6.3%and2.0%girls were overweight and obesity. The gender difference of prevalence rate on overweight and obesity weresignificantly(χ~2overweight=17.97,χ~2obesity=4.63, P<0.05).2. The prevalence rates of overweight and obesity in junior and senior high schoolwas12.0%,3.6%and8.7%,2.8%, respectively, however, Significance were not found(χ~2=3.62, P>0.05).3. Students whose weight were normal were more likely to adhere to sport activitiesand take into low-fat food than students whose weight were overweight or obesity,while the latter play computer longer than the former(P<0.05)4. The Logistic regression analysis showed that female, the initiative of gettinginformation about sport, considering sport beneficial, making plan of sport, worryfrom family when choosing high fat food, insisting on low fat food can avoid of beingoverweight and obesityConclusion1. The prevalence rate overweight of male middle school students in Wuhan wasconsistent with that of the national middle school students, while the wholeprevalence rate was lower than the national level.2. Female, the initiative and insisting on sport, low fat food, can avoid of beingoverweight and obesity.3. Male, having no idea about information and the benefit about sport, no plan ofsport were risk factors of being overweight and obesity.