Objective To study the epidemiological features of prevalence and influencing factors of obesity among preschool children, and to provide scientific basis for early intervention. Method Cluster-random sampling method was used to investigate 17 640 preschool children, and all of the children were involved in physical measurements, evaluation and questionnaires. Results The overall prevalence rate of obesity was 4.92%, 5.72% for boys and 4.04% for girls, there was significant difference in different sex(χ2=50.111, P<0.01).While the overall prevalence rate of overweight was 11.05%, 10.96% for boys and 11.52% for girls.Multivariate Logistic regression analysis indicated that birth weight, duration of exclusive breastfeeding, hours of watching TV, mother's BMI, eating speed, frequency of intake sweets were closely related to obesity. Conclusions The prevalence rate of obesity and overweight is at a high level.In order to reduce the incidence rate, the integrated management should be strengthened about the preschool children with obesity or overweight.
Key words
epidemiological investigation /
obesity /
preschool children /
influencing factors
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