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Table 1 Demographic, anthropometric and body composition data in the study sample considered as a whole or stratified by gender

From: A height-weight formula to measure body fat in childhood obesity

  Total (n = 174) Boys (n = 91) Girls (n = 83) p*
Age (yrs) 10.8 ± 1.9  10.9 ± 1.9 10.7 ± 1.9  0.558
Weight (kg) 70.2 ± 16.5  70.6 ± 16.5 69.9 ± 16.6  0.794
Prepubertal/pubertal % 43.5/56.5 54.2/45.8 33.3/66.7 0.011
Stature (cm) 148.4 ± 11.3 149.4 ± 11.3 147.2 ± 11.2 0.194
Body Mass Index (kg/m2) 31.5 ± 3.8 31.1 ± 3.4 31.8 ± 4.2 0.243
Body Mass Index Z-score 3.6 ± 0.7 3.7 ± 0.6 3.4 ± 0.7 0.004
Fat mass height-weight equation (kg) 31.3 ± 8.1 30.2 ± 7.3 32.5 ± 8.8a 0.060
Fat mass BIA (kg) 30.7 ± 9.0 30.0 ± 8.6 31.4 ± 9.5b 0.296
Body fat height-weight equation (%) 44.4 ± 3.5 42.8 ± 2.6 46.3 ± 3.4a < 0.001
Body fat BIA (%) 43.2 ± 4.8 42.1 ± 4.3 44.4 ± 5.1b 0.002
  1. a vs b = p < 0.001 within girls
  2. *differences between genders