[Study on the relationship between family-related factors and obesity of children and adolescents aged 6-17 years].

To analyze the relationship between family-related factors and the status of overweight and obesity in children and adolescents aged 6-17 years in China. Data were collected from the China National Nutrition and Health Surveillance in 2010-2012 program. A sample of 6 343 subjects aged 6-17 years was selected, with matched weight, education levels, household income and other family related factors of their parents. Univariate analysis and multivariate logistic regression were used to explore the relationship between family factors and overweight and obesity in school-aged children and adolescents. After adjusted for age, gender and region, results from the multivariate logistic regression showed that both the overweight and obesity of children and adolescents were associated with maternal BMI (=1.83, 95: 1.63-2.05), paternal BMI (=1.74, 95: 1.57-1.94), mother's educational level (=1.24, 95: 1.12-1.37) and household income (=1.30, 95: 1.15-1.46). Factors as overweight or obesity status of the parents, mother's educational level and household income were positively correlated with the prevalence of overweight and obesity in Chinese children and adolescents.