Characteristics, total bone mineral content and areal density (BMC and BMD), and intake of dairy calcium
| Baseline | After 3.3 years | |||
|---|---|---|---|---|
| Active boys (n = 26) | Controls (n = 16) | Active boys (n = 26) | Controls (n = 16) | |
| Values are mean (SD). No significant differences were found between the groups at either time point. | ||||
| Age (years) | 9.3 (1.7) | 9.5 (1.0) | 12.7 (1.9) | 12.7 (0.8) |
| Height (cm) | 136.5 (10.8) | 136.8 (6.0) | 156.6 (13.9) | 158.6 (9.0) |
| Body mass (kg) | 31.9 (7.6) | 32.3 (6.5) | 47.1 (12.7) | 49.3 (10.4) |
| Total BMC (g) | 1045 (268.4) | 987.7 (148.9) | 1654.1 (515.1) | 1570.6 (206.6) |
| Total BMD (g/cm2) | 0.854 (0.07) | 0.835 (0.07) | 0.969 (0.1) | 0.927 (0.07) |
| Lean mass (kg) | 23.9 (4.6) | 23.1 (1.8) | 35.5 (9.5) | 35.4 (5.0) |
| Fat mass (kg) | 6.5 (3.8) | 6.6 (3.9) | 9.4 (4.7) | 11.0 (7.8) |
| Ca2+ (mg) | 1574.2 (662.5) | 1457.9 (538.0) | 806.8 (365.5) | 830.6 (278.2) |