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Table 2 Means (SD) of anthropometric measures and proportions (95% CI) and numbers of WHtR ≥ 0.5 (waist-to-height ratio ≥ 0.5) and weight classifications (by BMI as defined by IOTF and WHO), of all children and separately for girls and boys

From: Adiposity among children in Norway by urbanity and maternal education: a nationally representative study

  All children N = 3166 Girls N = 1537 Boys N = 1629 p-value*
Mean (SD) Mean (SD) Mean (SD)  
Weight (kg) 29.5 5.6 29.3 5.5 29.6 5.7 0.21
Height (cm) 131.8 5.9 131.2 5.9 132.4 5.8 < 0.01
BMI (kg / m 2 ) 16.9 2.4 16.9 2.3 16.8 2.4 0.41
Waist circumference (cm) 58.4 6.1 58.0 6.0 58.8 6.2 0.04
Waist-to-height ratio 0.44 0.04 0.44 0.04 0.44 0.04 0.36
        p-value*
  % (N) 95% CI % (N) 95% CI % (N) 95% CI  
WHtR ≥ 0.5 8.9 (288) 7.2 - 10.7 9.2 (139) 6.8 - 12.2 8.7 (149) 6.4 - 11.8 0.82
IOTF:        
Overweight 15.0 (467) 13.2 - 16.8 18.2 (272) 15.6 - 21.1 12.0 (195) 10.0 - 14.3 < 0.01
(25 ≤ BMI < 30)
Overweight incl. obesity 19.0 (592) 16.7 - 21.4 21.6 (321) 18.1 - 25.6 16.5 (271) 14.0 - 19.4 0.03
(BMI ≥ 25)
Obesity 4.0 (125) 3.0 - 5.1 3.5 (49) 2.3 - 5.1 4.6 (76) 3.4 - 6.1 0.18
(BMI ≥ 30)
WHO:        
Overweight incl. obesity 27.6 (857) 24.8 - 30.6 27.7 (413) 24.0 - 31.8 27.6 (444) 24.1 - 31.3 0.94
(BMI ≥ 25)
Obesity 8.6 (268) 7.7 - 10.3 6.7 (97) 5.0 - 8.9 10.4 (171) 8.2 - 13.1 0.02
(BMI ≥ 30)
  1. * p-value for gender differences.