| 11-12 years | 14-15 years | ||
---|---|---|---|---|
 | Boys (n = 98) | Girls (n = 97) | Boys (n = 91) | Girls (n = 95) |
Age (yrs) | 12.1 ± 0.6 | 12.1 ± 0.6 | 15.1 ± 0.7 | 15.1 ± 0.6 |
Weight (kg) | 35.8 ± 6.8c | 40.7 ± 10.6c | 50.7 ± 10.0A | 55.2 ± 11.2A |
Height (cm) | 145.0 ± 7.1c | 148.8 ± 7.9c | 163.1 ± 8.7B | 159.8 ± 5.5B |
BMI (kg/m2) | 16.9 ± 2.0b | 18.2 ± 3.7b | 18.9 ± 2.4C | 21.6 ± 4.1C |
Pubertal stage (n,%) | Â | Â | Â | Â |
 Tanner 1 | 42 (43%)b | 20 (21%)b | 10 (11%)B | 1 (1%)B |
 Tanner 2 | 33 (34%) | 45 (47%) | 11 (12%) | 5 (5%) |
 Tanner 3 | 19 (19%) | 29 (30%) | 34 (38%) | 40 (43%) |
 Tanner 4 | 4 (4%) | 3 (3%) | 32 (36%) | 41 (44%) |
 Tanner 5 | 0 (0%) | 0 (0%) | 2 (2%) | 7 (7%) |