| East Japan (n = 75) | West Japan (n = 104) | ||
|
| SOS correlation |
| SOS correlation |
Age | 19.0 ± 0.7 | −0.007 | 20.8 ± 1.9** | −0.175 |
Height (cm) | 157.5 ± 4.9 | 0.001 | 157.9 ± 5.1 | 0.001 |
Body weight (kg) | 51.0 ± 7.1 | 0.082 | 53.0 ± 7.2 | 0.137 |
BMI (kg/m2) | 20.5 ± 2.5 | 0.098 | 21.3 ± 2.8 | 0.137 |
SJ (cm) | 21.6 ± 4.6 | 0.280* | ― |
|
CMJ (cm) | 23.2 ± 5.0 | 0.273* | ― |
|
Right hand grip strength average (kg) | 25.2 ± 4.4 | 0.1 | ― |
|
Left hand grip strength average (kg) | 23.2 ± 4.6 | 0.184 | ― |
|
Muscle mass (kg) | ― |
| 36.0 ± 3.0 | 0.283** |
Body fat percentage (%) | ― |
| 27.3 ± 5.4 | −0.063 |
SOS (m/sec) | 1557.1 ± 29.7 |
| 1549.2 ± 37.2 |
|
%YAM (%) | 110.4 ± 16.7 |
| 106.3 ± 20.5 |
|
%YAM ≥ 100 | 58 (77.3) |
| 61 (58.7)†† |
|
<100 | 17 (22.7) |
| 43 (41.3) |
|
No family history of osteoporosis | 54 (96.4) |
| 95 (91.3) |
|
Family history of osteoporosis | 2 (3.6) |
| 9 (8.7) |
|