Obesity and associated factors among students in Inner Mongolia in 2019

Objective To understand the prevalence of obesity and its associations with diet, exercise and mental health among students in Inner Mongolia, so as to provide scientific basis for the formulation of obesity intervention measures for students in this area. Methods Stratified and cluster random sampling was used to select 186 649 students from all 12 cities and 103 banners and counties in Inner Mongolia Autonomous region. All the participants were divided into groups according to the BMI classification criteria for overweight/obesity screening of Chinese school-age children and adolescents (kg/m 2). Univariate analysis was carried out by means of rectangular χ 2 test, and multivariate unconditional Logistic regression model was used to screen the risk factors of obesity. Results The overall obesity rate was 18.54%, the obesity rate of boys was 22.04%, and the obesity rate of girls was 14.99%. The results of multivariate Logistic regression analysis showed that area ( OR = 0.79), sex ( OR = 0.61), times of eating fried food per day ( OR = 1.08), daily exercise for more than 60 minutes per week >2 days ( OR = 0.89), eat breakfast every day ( OR = 0.86), times of drinking drinks per day ( OR = 1.12), Smoking ( OR = 0.87), drinking ( OR = 1.07), eating fruit per day ( OR = 1.07), watching TV ≥2 hours a day ( OR = 1.06), sleeping time ( OR = 0.93) and school period may be related to obesity ( P<0.05). Conclusion The overall obesity rate of students in Inner Mongolia is relatively high, and the occurrence of obesity is related to diet, exercise behavior, living habits and psychological factors. 【摘要】 目的 了解内蒙古地区学生肥胖现状及其与饮食、运动、心理等方面的关系, 为制定该地区学生肥胖干预措施提 供科学依据。 方法 采用分层整群随机抽样方法, 抽取内蒙古自治区全部12个盟市、103个旗县区的186 649名学生。按 中国学龄儿童青少年超重与肥胖筛査标准对调査对象进行分组, 采用妒检验进行单因素分析, 采用多因素非条件Logistic 回归模型筛选肥胖有关因素。 结果 学生总体肥胖率为18.54%, 男生肥胖率为22.04%, 女生为14.99%。多因素Logistic 回归分析结果显示, 监测点 ( OR = 0.79)、性别 ( OR = 0.61)、每日吃油炸食品次数 ( OR =1.08)、每周每日运动超过60 min>2 d ( OR = 0.89)、是否每天吃早餐 ( OR = 0.86)、每日喝饮料次数 ( OR = 1.12)、吸烟 ( OR = 0.87)、饮酒 ( OR = 1.07)、每日吃水果次 数 ( OR =1.07)、每日看电视 ≥2 h ( OR =1.06)、睡眠时间 ( OR = 0.93)以及学段可能与学生肥胖有关 ( P值均<0.05)。 结论 内蒙古地区学生总体肥胖率较髙, 学生肥胖的发生与饮食运动行为、生活习惯及心理因素有关。应采取针对性干预措施控 制学生肥胖的发生。