Total (n = 2098) | Boys (n = 982) | Girls (n = 1116) | p-values comparing boys and girls | |
---|---|---|---|---|
Age, years | 15.1 ± 1.8 | 14.9 ± 1.8 | 15.3 ± 1.8 | < 0.001 |
Height, cm | 161.4 ± 8.5 | 165.8 ± 9.2 | 157.7 ± 5.5 | < 0.001 |
Weight, kg | 52.3 ± 11.5 | 56.1 ± 13.0 | 48.9 ± 8.8 | < 0.001 |
BMI, kg/m2 | 19.9 ± 3.5 | 20.3 ± 3.8 | 19.7 ± 3.2 | < 0.001 |
Childhood overweight, % | ||||
IOTF | 9.91 | 13.54 | 6.72 | < 0.001 |
COTF | 14.06 | 19.25 | 9.50 | < 0.001 |
CDC | 12.44 | 17.31 | 8.15 | < 0.001 |
Childhood obesity, % | ||||
IOTF | 2.76 | 3.87 | 1.79 | 0.004 |
COTF | 4.77 | 6.01 | 3.67 | 0.012 |
CDC | 4.10 | 6.01 | 2.42 | < 0.001 |
HKGS | 15.87 | 18.13 | 13.89 | 0.008 |