Analysis on risk factors of overweight and obesity in urban school children

ObjectiveTo explore the main risk factors influencing school-children's overweight and obesity in urban area.MethodsA cross-sectional study was conducted to measure height,weight in 913 children aged 7～13 years old in Shijiazhuang.The parental educational background,children's dietary habit and lifestyle were obtained by questionnaires.ResultsBy Logistic stepwise regression adjusting for age and gender,analysis showed that main factors and their odds ratios (OR and 95% CI)for childhood overweight and obesity were as follows respectively:maternal advanced culture 1.54(1.15～2.05),paternal obesity 2.59(1.42～4.73),maternal obesity 2105(1.15～3.63),birth overweight of children 1.80(1.23～2.64),high frequency of taking in eggs 1.42(1.10～1.83),high frequency of taking in rice 1.26(0.96～1.66),liking animal foods 2.24(0.98～5.14),eating quickly 1.66(1.22～2.27),eating excessive every dining 2.17(1.44～3.25), studying long time athome after school 1.44(1.06～1.94),excessive stress from studying 1.26(1.01～1.58).Among above factors,parental factors covered 36.3%,children's bad dietary habits and lifestyle 45.5% and 18.2% respectively.ConclusionThe childhood overweight and obesity was not caused only by factors from children.Besides children's bad diet habits and lifestyles,it was closely related to some factors from parents.