Boys (n = 256)
Mean (CI; SD)
Girls (n = 259)
Mean (CI; SD)
All (n = 515)
Mean (IC; SD)
Age (years)
9 y 72 57 129
10 y 109 94 203
11 y 75 108 183
Body Weight (kgs)* 38.5 (23 - 75; 8.2) 37.1 (23 - 70.5; 7.9) 37.8 (23 - 75; 8.1)
<30 kg 25 37 62
30-39 kg 123 127 250
40-49 81 56 137
≥ 50 22 24 46
Body Height (cm)* 144.5 (120-168; 8.1) 144.5 (100-165; 8.7) 144.5 (100-168; 8.4)
BMI (kg/m2)* 18.3 (11.1-26.7 ; 2.8) 17.7 (12.8-35 ; 2.9) 18.0 (11.1-35 ; 2.9)
BMI <13,5 Kg/m2 1 7 8
13,5 <BMI < 17 Kg/m2 80 100 180
17 <BMI < 20 Kg/m2 (overweight) 99 85 184
20 Kg/m2 < BMI (obese) 63 45 108
Means values are given with (confidence interval, standard deviation SD); *Body weight values were documented for 251 boys and 244 girls, body height values for 245 boys and 245 girls and BMI values for 240 boys and 237 girls.
Table 1: Demographic and physical characteristics of the cohort (n=515).