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Table 4 Age-standardised prevalence (%: with 95% confidence intervals) for each obesity category, as defined by Asian specific BMI and/or WC thresholds

From: Increases in waist circumference independent of weight in Mongolia over the last decade: the Mongolian STEPS surveys

  2005 2009 2013
Men
 Not obese 79.7 (76.4 to 82.7) 68.4 (64.0 to 72.4) 66.4 (63.7 to 69.0)
 Obese by WC only 0.3 (0.1 to 0.8) 1.0 (0.5 to 2.0) 0.8 (0.4 to 1.5)
 Obese by BMI only 10.5 (8.5 to 12.9) 17.6 (14.9 to 20.7) 15.2 (13.1 to 17.6)
 Obese by both BMI and WC 9.5 (7.5 to 12.0) 13.0 (10.4 to 16.2) 17.6 (15.0 to 20.5)
Women
 Not obese 59.5 (56.8 to 62.1) 52.1 (49.4 to 54.7) 42.8 (40.5 to 45.2)
 Obese by WC only 7.1 (5.4 to 9.1) 12.4 (10.5 to 14.6) 13.5 (10.8 to 16.6)
 Obese by BMI only 7.4 (5.4 to 10.2) 4.7 (3.4 to 6.5) 4.9 (3.5 to 6.8)
 Obese by both BMI and WC 26.0 (23.5 to 28.6) 30.8 (27.8 to 34.0) 38.8 (36.0 to 41.7)
Total
 Not obese 70.0 (67.9 to 72.0) 60.3 (57.6 to 63.0) 54.6 (52.5 to 56.6)
 Obese by WC only 3.5 (2.7 to 4.6) 6.6 (5.5 to 7.9) 7.2 (5.7 to 9.0)
 Obese by BMI only 9.0 (7.4 to 11.0) 11.3 (9.4 to 13.5) 10.0 (8.6 to 11.6)
 Obese by both BMI and WC 17.4 (15.7 to 19.3) 21.8 (19.6 to 24.2) 28.3 (26.1 to 30.5)
  1. Abbreviations: WC waist circumference, BMI body mass index
  2. Prevalence estimates are represented as percentages
  3. Asian-specific BMI threshold for obesity is defined as BMI of 27.5 kg/m2 (Asian-specific general obesity)
  4. Asian-specific WC threshold for obesity is defined as WC of ≥102 cm for men and ≥88 cm for women (Asian-specific abdominal obesity, noting that these thresholds are the same as the international thresholds)
  5. Not obese (BMI < 27.5, WC < 102 for men, WC < 88 for women), obese by WC only (BMI < 27.5, WC ≥ 102 for men, WC ≥ 88 for women), obese by both BMI and WC (BMI ≥ 27.5, WC ≥ 102 for men, WC ≥ 88 for women) and obese by BMI only (BMI ≥ 27.5, WC < 102 for men, WC < 88 for women)