关键词: 学龄儿童, 肥胖, 生活行为方式

Abstract: Objective To investigate the prevalence of obesity and current status of lifestyle of school-age children in Changping district, Beijing, and to analyze their correlation, in order to provide reference for prevention and treatment of obesity in school-age children. Methods A stratified cluster and random sampling was applied to select 1 260 school-age students from 8 primary schools of Changping district from April to September 2017.Questionnaire on Lifestyle of School-age Children in Changping was adopted, and meantime students′ height and weight were measured. Results The detection rate of school-age obesity in children from Changping district was 15.08%.The rate in rural area (15.33%) was higher than that in urban area (14.81%),but the difference was not significant (χ²=0.07,P＞0.05).While the obesity rate of boys (17.51%) was significantly higher than that of girls (12.29%) (χ²=6.67,P＜0.05).Multifactor Logistic regression indicated that eating fast food more than 3 days (OR=2.66,95%CI:1.43～4.95), fast eating speed(OR=1.73,95%CI:1.23～2.42), exercise for at least 60 minutes each day less than 3 days (OR=1.74,95%CI:1.20～2.51) and taking physical training after class less than 3 days(OR=1.49,95%CI:1.03～2.15) over the past week were the risk factors for preschool children obesity. Conclusions School-age children obesity in Changping district is prevalent, which is closely correlated with unhealthy lifestyle, including frequent eating of western-style fast food, fast eating speed and lack of physical training.So it is suggested to take comprehensive measures for obesity prevention and treatment from the perspectives of rational diet, physical activities and behavioral modification.

Key words: school-age children, obesity, lifestyle