7-10 yr | 11-14 yr | 15-18 yr | All | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Male (n = 317) | Female (n = 340) | Male (n = 796) | Female (n = 823) | Male (n = 483) | Female (n = 638) | Male (n = 1,596) | Female (n = 1,801) | |||||||||
Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | |
Age (yr) | 9.4 | 1.2 | 9.4 | 1.2 | 13.0† | 1.1 | 12.9† | 1.1 | 16.4‡ | 0.8 | 16.4‡ | 0.7 | 13.3 | 2.6 | 13.5 | 2.7 |
Height (cm) | 137.1 | 9.6 | 137.2 | 10.1 | 157.8† | 11.3 | 156.3† | 7.8 | 171.6‡ | 7.8 | 162.6‡ | 6.5 | 158.9 | 15.5 | 155.6§ | 18.5 |
Weight (kg) | 35.5 | 10.2 | 33.8 | 99 | 51.5† | 15.1 | 48.5† | 11.1 | 63.2‡ | 11.9 | 55.8‡§ | 9.7 | 51.9 | 16.3 | 48.6§ | 12.9 |
BMI (kg.m-2) | 18.6 | 3.8 | 17.6 | 3.4 | 20.3† | 4.1 | 19.7† | 3.6 | 21.4‡ | 3.3 | 21.0‡ | 3.4 | 20.3 | 4.0 | 19.9§ | 3.7 |