关键词: 农村, 学龄前儿童, 肥胖, 影响因素

Abstract: Objective To understand the prevalence of obesity among the preschool children aged 3 to 6 years old in rural areas of Zhengzhou,analyze the realted influence factors,and to put forward the effective control measures. Method A total of 1 042 children aged 3～6 years old were selected from 6 kindergartens in rural areas of Zhengzhou by stratified cluster sampling,and investigated with questionnaire and physical measurement. Results The boy's prevalence rate was 6.94%,the girls was 4.08%,the average obesity rate was 5.66%.There was significant difference in prevalence rate between boys and girls(χ²=3.964,P<0.05),the obesity rate of boys was higher than that of girls,parents' BMI influenced their children's body.Multivariable logistic regerssion analysis showed that risk factors included mother was overweight or obese(OR=3.674),heavy birth weight(OR=2.987),the high frequency of meat food intake(OR=2.313),eating fast(OR=1.736),protective factors included mother with high education level (OR=0.762),breast feeding(OR=0.783),reasonable exercise time(OR=0.640). Conclusions Preschool children's obesity rate in rural areas of Zhengzhou has been close to the level of some city of Henan.Obesity is the result of various factors,comprehensive measures of prevention is should be taken.

Key words: rural areas, preschool children, obesity, influencing factors