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Table 2 Prevalence rates of obesity and overweight estimated by existing definitions for childhood overweight and obesity

From: Diagnostic accuracy of different body weight and height-based definitions of childhood obesity in identifying overfat among Chinese children and adolescents: a cross-sectional study

  %BF HK 1993 BMI based definitions
IOTF-BMI CDC-BMI WHO-BMI WGOC-BMI
  Overfat OB OB OB & OW OB OB & OW OB OB & OW OB OB & OW
Boys (n = 1135) 24.4 % (21.9-26.9) 29.2 % (26.4-32.0) (n = 999) a 8.5 % (6.9-10.1) 28.0 % (25.4-30.6) 12.4 % (10.5-14.3) 27.4 % (24.8-30.0) 14.5 % (12.5-16.6) 33.4 % (30.7-36.1) 13.3 % (11.3-15.3) 30.5 % (27.8-33.2)
Girls (n = 999) 34.5 % (31.6-37.4) 21.5 % (18.9-24.1) (n = 938) a 4.4 % (3.1-5.7) 20.0 % (17.5-22.5) 6.6 % (5.1-8.1) 19.2 % (16.8-21.6) 6.9 % (5.3-8.5) 22.3 % (19.7-24.5) 9.7 % (7.9-11.5) 21.8 % (19.2-24.4)
  1. All data are presented as mean (95 % confidential interval, 95%CI)
  2. OB obesity, OB & OW overweight and obesity, BMI body mass index, %BF body fat percentage measuring by BIA, HK 1993 1993 Hong Kong reference, IOTF-BMI International Obesity Task Force BMI reference, CDC-BMI US Centers for Disease Control and Prevention BMI reference, WHO-BMI World Health Organization reference, WGOC-BMI Working Group on Obesity in China BMI reference
  3. aSome subjects are not included in the analysis for their higher body height