Table 4.
Multivariate analysis of covariance of body compositions and timing of puberty (mean ± SD)
| Indicators | Timing of puberty | F | P | |||
|---|---|---|---|---|---|---|
| Early puberty | On-time puberty | Delayed puberty | ||||
| Boys (N = 441) | BD(kg/L) | 1.070 ± 0.010 | 1.071 ± 0.008 | 1.071 ± 0.009 | 0.513 | 0.599 |
| %BF | 13.105 ± 3.958 | 12.665 ± 3.388 | 12.503 ± 3.454 | 0.516 | 0.597 | |
| FM(kg) | 6.526 ± 3.649 | 6.446 ± 3.233 | 6.136 ± 3.127 | 0.316 | 0.729 | |
| FFM(kg) | 40.851 ± 9.209 | 42.397 ± 8.109 | 41.115 ± 9.221 | 1.269 | 0.282 | |
| Girls (n = 407) | BD(kg/L) | 1.059 ± 0.009 | 1.062 ± 0.012 | 1.067 ± 0.014a, b | 12.199 | 0.000 |
| %BF | 17.306 ± 3.804 | 16.160 ± 5.057 | 14.243 ± 5.859a, b | 10.888 | 0.000 | |
| FM(kg) | 8.829 ± 4.099 | 7.861 ± 3.147 | 6.272 ± 2.831a, b | 19.700 | 0.000 | |
| FFM(kg) | 41.553 ± 14.080 | 40.163 ± 6.826 | 37.302 ± 5.508a, b | 8.684 | 0.000 | |
a “Early puberty” VS “Delayed puberty”, P < 0.017
b “On-time puberty” VS “Delayed puberty”, P < 0.017