Table 2.
Baseline characteristics of participants (girls, N = 152).
| Characteristics | 10/11-year-olds | 14/15-year-olds | p-value |
|---|---|---|---|
| Height (cm) | 144.5 ± 6.7 | 157.2 ± 5.7 | 0.000 |
| Body weight (kg) | 37.4 ± 7.4 | 51.7 ± 8.3 | 0.000 |
| Body fat ratio (%) | 20.0 ± 7.1 | 30.2 ± 6.7 | 0.000 |
| Body muscle ratio (%) | 27.9 ± 3.5 | 33.6 ± 3.2 | 0.000 |
| Grip strength (kg) | 17.6 ± 3.3 | 22.6 ± 3.9 | 0.000 |
| OSI (× 105) | 2.5 ± 0.2 | 3.0 ± 0.4 | 0.000 |
| BAP (µg/L) | – | 23.0 ± 15.5 | – |
| NTX (nmol BCE/mmol) | – | 35.4 ± 13.8 | – |
Paired-samples t-test.
SD, standard deviation; p, probability value; N, number of participants; OSI, Osteo-sono assessment index; BAP, bone specific alkaline phosphatase; NTX, type I collagen cross-linked N-telopeptide.