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Table 3 Age-standardised prevalence (%: with 95% confidence intervals) for each obesity category, as defined by international 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

87.4 (84.6 to 89.8)

81.4 (77.9 to 84.5)

77.6 (75.2 to 79.9)

 Obese by WC only

1.8 (1.1 to 3.0)

2.8 (2.0 to 4.0)

4.8 (3.7 to 6.3)

 Obese by BMI only

2.7 (1.7 to 4.3)

4.5 (3.1 to 6.5)

4.0 (2.9 to 5.4)

 Obese by both BMI and WC

8.0 (6.2 to 10.3)

11.2 (8.6 to 14.5)

13.6 (11.5 to 16.0)

Women

 Not obese

64.6 (61.6 to 67.5)

55.7 (52.6 to 58.6)

46.7 (43.6 to 49.9)

 Obese by WC only

16.5 (13.6 to 19.8)

24.4 (22.0 to 27.0)

26.8 (23.3 to 30.7)

 Obese by BMI only

2.4 (1.5 to 3.6)

1.1 (0.6 to 2.0)

1.0 (0.6 to 1.5)

 Obese by both BMI and WC

16.5 (14.5 to 18.8)

18.8 (16.3 to 21.6)

25.5 (22.6 to 28.6)

Total

 Not obese

76.5 (74.6 to 78.3)

68.7 (66.3 to 71.0)

62.1 (59.6 to 64.6)

 Obese by WC only

8.9 (7.4 to 10.6)

13.5 (12.0 to 15.0)

15.9 (13.6 to 18.4)

 Obese by BMI only

2.6 (1.7 to 3.7)

2.8 (2.0 to 4.1)

2.5 (1.9 to 3.2)

 Obese by both BMI and WC

12.1 (10.7 to 13.6)

15.0 (12.8 to 17.5)

19.6 (17.7 to 21.6)

  1. Abbreviations: WC waist circumference, BMI body mass index
  2. Prevalence estimates are represented as percentages
  3. International BMI threshold for obesity is defined as BMI of 30 kg/m2 (general obesity)
  4. International WC threshold for obesity is defined as the “substantially increased risk” threshold of ≥102 cm for men and ≥88 cm for women (abdominal obesity)
  5. Not obese (BMI < 30, WC < 102 for men, WC < 88 for women), obese by WC only (BMI < 30, WC ≥ 102 for men, WC ≥ 88 for women), obese by both BMI and WC (BMI ≥ 30, WC ≥ 102 for men, WC ≥ 88 for women) and obese by BMI only (BMI ≥ 30, WC < 102 for men, WC < 88 for women)