Abstract: Objective To examine the prevalence and influencing factors of children's obesity in Huadu District of Guangzhou,and to provide the scientific basis for preventing obesity in children. Methods A total of 3 373 children at the age of 2～6 years old in 10 kindergartens from Huadu district of Guangzhou were selected randomly by a random cluster sampling method from September to October,2016 and all subjects' basic information( height,weight,habits,parents,etc)were investigated.The prevalence rate of childhood obesity and its related factors were analyzed. Results The data showed that the rates of obesity and over-weight in preschool children were 3.0% and 8.7% respectively.Risk factors of obesity included high birth weight,non-breastfeeding,fast eating;eating while watching TV or playing while eating,meal times,encouragement of eating and food reward,having meals outside,parents' age and BMI,abnormal conditions at birth,maternal appetite,neglection of children's physical examination by parents.Long sleep time was the protective factor of obesity. Conclusions Childhood obesity is more related to lifestyle.The key to prevent obesity is to create a good family environment,to develop good eating habits and lifestyle.

Key words: obesity, preschool children, influencing factor

摘要： 目的 了解广州花都学龄前儿童肥胖的检出率及主要影响因素,为预防儿童肥胖提供科学依据。方法 2016年9-10月应用随机整群抽样法,随机抽取广州花都10所幼儿园作为调查对象。收集3 373名2～6岁学龄前儿童身高、体重、生活习惯和父母情况等基本信息,计算肥胖检出率,并对肥胖危险因素进行分析。结果 学龄前儿童肥胖及超重的检出率分别为3.0%和8.7%;儿童肥胖的危险因素有:高出生体重、非母乳喂养、进食速度快、吃饭时看电视或边吃边玩、加餐次数多、祖辈鼓励儿童多吃、祖辈经常用食物奖励儿童、外面吃饭次数多、父母年龄、父母体质量指数高、出生时有异常情况、母亲孕晚期食欲好、家长不重视儿童的体检记录。儿童肥胖的保护因素为睡眠时间长。结论 儿童肥胖更多的与生活方式相关。创造良好的家庭环境,培养儿童良好的饮食习惯和生活习惯,是防止肥胖发生的关键。

关键词: 肥胖, 学龄前儿童, 影响因素