6Bellizzi MC, Dietz WH. Workshop on childhood obesity: summary of the discussion. Am J Clin Nutr,1999,70∶s173-s175.
7Zhou BF. Predictive values of body mass index and waist circumfer-ence for risk factors of certain related disease in Chinese adults-study on optimal cut-off points of body mass index and waist circumference in Chinese adults. Biomedical and Environ ment
8Cole TJ, Bellizzi MC, Flegal KM, et al. Establishing a standard definition for child overweight and obesity worldwide: international survey. BMJ, 2000, 320∶1240-1243.
9Malina RM, Katzmarzyk PT. Validity of the body mass index as an indicator of the risk and presencr of overweight in adolescents. Am J Clin Nutr,1999,70∶131-136.
10Flegal KM, Carrol MD, Kuczmarski RJ, et al.Overweight and obesity in the United States: Prevalence and trends.Int J Obes,1998,22∶39-47.