查看文章

OBJECTIVE: To examine predictors and time trends of obesity in pre-school children in China.

DESIGN: This study was based on data from China Health and Nutrition Survey, a longitudinal survey from 1989 to 1997.

SUBJECTS: For cross-sectional analysis, we included 944, 1058, 903 and 483 children aged 2–6 y in 1989, 1991, 1993 and 1997, respectively. For longitudinal analysis, we included 944 children and 3146 measurements during four time periods.

MEASURES: Overweight and obesity according to age-and sex-specific BMI cut-off points proposed by International Obesity Task Force.

RESULTS: The overall prevalence of obesity increased from 4.2% in 1989 to 6.4% in 1997 among children aged 2–6 y. The increase largely occurred in urban areas, where the prevalence of obesity increased from 1.5% in 1989 to 12.6% in 1997 and prevalence of overweight increased from 14.6 to 28.9% at the same period …