Table 2.
Characteristics of the HKOS (N = 5556).
| Variables | Mean | SD |
|---|---|---|
| Age (years) | 54.57 | 16.34 |
| Female | 3828 | 68.9% |
| Height (m) | 1.58 | 0.08 |
| Weight (kg) | 57.46 | 10.78 |
| Current smoker | 306 | 5.5% |
| Current drinker | 478 | 8.6% |
| Serum calcium (mg/dL) | 9.58 | 0.36 |
| Serum phosphate (mg/dL) | 3.48 | 0.48 |
| Serum parathyroid hormone (pg/mL) | 36.73 | 16.31 |
| Serum 25(OH)D (ng/mL) | 21.66 | 6.59 |
| Bone mineral density (g/cm2) | ||
| Lumbar spine L1-L4 | 0.899 | 0.173 |
| Femoral neck | 0.688 | 0.135 |
| Trochanter | 0.606 | 0.126 |
| Total hip | 0.797 | 0.149 |
For categorical variables, N and % are reported.