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Table 3 BMI classification as a function of subjective BMI category among 11- to 15-year-old adolescents in Germany, stratified by gender in KiGGS

From: Applying a correction procedure to the prevalence estimates of overweight and obesity in the German part of the HBSC study

aij* KiGGS

BMIsubKiGGSϵ

All

Boys

Girls

I1

I2

I3

I4

I5

I1

I2

I3

I4

I5

I1

I2

I3

I4

I5

BMIKiGGS ϵ

               

I 1

44.0%

8.6%

0.2%

 

0.5%

34.3%

12.3%

0.2%

 

0.9%

60.9%

5.0%

0.1%

  

I 2

26.8%

36.5%

2.9%

  

26.3%

34.5%

3.4%

  

27.7%

38.6%

2.5%

  

I 3

27.2%

54.8%

91.2%

15.2%

9.0%

36.3%

53.2%

90.6%

19.4%

11.6%

11.3%

56.5%

91.8%

9.7%

6.4%

I 4

2.0%

 

5.2%

60.5%

12.2%

3.2%

 

5.5%

54.0%

15.4%

  

4.9%

69.2%

9.0%

I 5

  

0.5%

24.3%

78.3%

  

0.3%

26.6%

72.1%

  

0.7%

21.1%

84.6%

  1. * a ij KiGGS = P BMI I i BM I sub I j
  2. BMIKiGGS: Body mass index.
  3. BMIsubKiGGS: Body mass index calculated from self-reported weight and height.
  4. I1 … I5: i-th category for BMI and j-th category for BMIsub (i.e., 1 = extremely underweight, 2 = underweight, 3 = normal weight, 4 = overweight, 5 = obese).