Associated Trends in Sedentary Behavior and BMI Among Chinese School Children and Adolescents in Seven Diverse Chinese Provinces.

摘要

Overweight and obesity is becoming a public health concern in China.We examined associated trends in sedentary behavior and body mass index (BMI) among school children and adolescents from seven diverse Chinese provinces from 1997 to 2004.Sequential multiple regressions were conducted with combined cross-sectional data derived from the China Health and Nutrition Survey (N?=?5,497) to assess relationships between sedentary behavior and BMI.Between 1997 and 2004, the amount of time children (6- to 11-year-olds) spent engaging in sedentary behavior increased from 1.71 to 3.14?h/day (p?