ObjectiveTo investigate the obesity status and its influencing factors in school age children, and provide theoretical basis for the intervention of obesity.

MethodsThe basic information, children lifestyle and diet habbit in 1 000 children and their parents from Xianyang city were investigated with the self-made questionnaire on children's dietary behavior.

ResultsAmong 1 000 subjects, 82 obesity children were found, and the difference of which between boy and girl was statistically significant(P < 0.05).The differences of the obesity rate in different ages between boy and girl were not statistically significant(P > 0.05).With the increasing of age, the obesity rate of children increased.Family history of obesity, family income, maternal taste preference were positively correlated with childhood obesity(P < 0.05 to P < 0.01), while maternal education and exercise time were negatively correlated with childhood obesity(P < 0.01 and P < 0.05).

ConclusionsThe prevalence of obesity in school age children is serious, and the effective intervention should be carried out from dietary behavior and lifestyle.