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Table 1 Overweight prevalence (overweight + obesity) according to age group, in relation to three classification criteria based on body mass index among Brazilian adolescents

From: Comparison of three criteria for overweight and obesity classification in brazilian adolescents

 

Boys

Age group

Conde &Monteiro % (95% CI)

IOTF % (95% CI)

WHO % (95% CI)

Total (n = 19.002)

19.3 (18.7-19.8)†

14.5 (14.0-15.0)

19.6 (19.0-20.1)†

11-12 (n = 8.121)

20.9 (20.0-21.8)†

16.4 (15.6-17.2)

23.3 (22.4-24.2)*†

13-14 (n = 7.663)

18.6 (17.7-19.4)†‡

13.5 (12.7-14.2)

18.1 (17.2-18.9)†

15-17 (n = 3.218)

16.6 (15.3-17.9)†‡

12.1 (10.9-13.3)

14.0 (12.8-15.2)†

 

Girls

Total (n = 14.726)

19.9 (19.2-20.5)†‡

14.2 (13.6-14.7)

18.0 (17.4-18.6)†

11-12 (n = 6.982)

24.2 (23.2-25.2)†‡

16.1 (15.2-16.9)

21.0 (20.0-21.9)†

13-14 (n = 5.456)

17.1 (16.1-18.1)†‡

12.6 (11.7-13.5)

16.0 (15.0-17.0)†

15-17 (n = 2.288)

13.3 (11.9-14.8)†

12.5 (11.2-13.9)

13.6 (12.2-15.0)†

Total (n = 33.728)

20.6 (20.1-21.0)†

15.3 (14.9-15.7)

20.1 (19.7-20.5)†

  1. * Significant difference in relation to the proportion observed by the Conde & Monteiro classification criteria (p <0.05).
  2. † Significant difference in relation to the proportion observed by the IOTF classification criteria (p <0.05).
  3. ‡ Significant difference compared to the proportion observed by the WHO classification criteria (p <0.05).