| 9-year-olds | 15-year-olds | ||||
---|---|---|---|---|---|---|
 | Boys | Girls | Total | Boys | Girls | Total |
 | (n = 384) | (n = 378) | (n = 762) | (n = 233) | (n = 332) | (n = 565) |
Height (cm) | 138 ± 7 | 138 ± 7 | 138 ± 7 | 173 ± 8* | 164 ± 6 | 168 ± 8 |
Weight (kg) | 33 ± 6 | 33 ± 7 | 33 ± 7 | 62 ± 11* | 56 ± 8 | 58 ± 10 |