关键词: 超重, 肥胖, 儿童

Abstract: Objective To understand the influencing factors of overweight/obesity of children in Xi'an City,and to provide theoretical basis for intervention measures. Methods A total of 10 374 children under 7 years old were investigated prevalence overweight and obesity using random sampling Method,of whom 5 498 were boys and 4 876 were girls.Overweight and obesity were defined with according to WTO weight-for-height standard.606 overweight/obese children aged 3 years old and above were extracted,and normal weight children 763 cases were compared.Parents of children were issued a self-designed questionnaire,and the health care physicians to explain the contents of the questionnaire,then the next day to recover.Multiple regression was used on the influence factors of overweight/obesity.Whether the child was overweight/obese was the dependent variable (i.e.yes=1,no=0),gender,age,birth weight,maternal mode of production,breast feeding situation,education level of parents,family economic situation,children's healthy diet and exercise were independent variables,Logistic regression model was analysed using enter Method. Results 1) The overweight rate under 7 years old children was 16.87% and the obesity rate was 8.18% in 2013.2) Among 5 498 boys,1 008 were overweight with a 18.33% overweight rate and 491 boys were obese with 8.93% rate.Among 4 876 girls,472 participants were overweight with a 15.21% overweight rate,and 358 participants were obese with its 7.92% obesity rate.Compared with the girls' counterparts,the numbers of overweight and obese boys were apparently more.The differences in gender had statistical significances(χ²=17.898,8.677,all P<0.001).2) Logistic regression showed that the independent risk factors of overweight and obesity in children were the parents' obesity,high family income,frequent drinking sweet drinks,good appetite,eating fast.The fathers with highly education and as the foster were the protective factors of the children's overweight/obesity. Conclusions The overweight and obesity rates of children under 7 years old are very high in Xi'an city,there are significant gender differences in overweight / obesity in children,and the boys are higher than girls.Overweight/obesity in children is influenced by many factors.

Key words: overweight, obesity, child