Relationship between sedentary behavior with overweight and obesity among middle school students of different nationalities in Aba Prefecture / 中国学校卫生

ABSTRACT

Objective@#To analyze the association between sedentary behavior with overweight or obesity in middle school students, and to provide policy reference for relevant departments.@*Methods@#Using the stratified cluster sampling method, a questionnaire survey and physical fitness test were conducted among 1 208 middle school students aged 13 to 18 in Aba Tibetan and Qiang Autonomous Prefecture in October 2019. The associations between sedentary behavior and overweight or obesity among middle school students of different ethnic groups in Aba Prefecture were analyzed.@*Results@#The detection rate of overweight or obesity was Tibetan (14.0%)> Han (8.8%)> Qiang (8.2%), junior high school students (10.5%)> high school students (8.2%), the difference was statistically significant (χ 2=19.34，13.62，P<0.05). Compared with the reference group, the detection rate of overweight or obesity among middle school students with time spent in the Internet for ＞1 h/d, reading extracurricular books ＞2 h/d, video games ＞1 h/d, and watching TV＞1 h/d (23.7%, 19.6%, 27.8%, 26.7%) significantly increased(OR=1.26, 1.09, 1.38, 1.18, P<0.05).@*Conclusion@#Sedentary behaviors of middle school students of different ethnic groups in Aba Prefecture are positively correlated with overweight or obesity. Reducing the duration of static behaviors helps prevent and control the occurrence of overweight or obesity among middle school students.