| Age (year), mean(SD, min-max) | 40(12.6, 15 - 86) | ||
| Gender |
| ||
| Female (n-%) | 719 - 94.6 | ||
| Male (n-%) | 41 - 5.4 | ||
| Season |
| ||
| Winter months | Total (n-%) | 448 - 58.9 | |
| Female (n-%) | 428 - 95.5 | ||
| Male (n-%) | 20 - 4.5 | ||
| Summer months | Total (n-%) | 312 - 41.1 | |
| Female (n-%) | 291 - 93.3) | ||
| Male (n-%) | 21 - 6.7 | ||
| Vitamin D status |
| ||
| Normal (≥30 ng/ml) (n-%) | 155 - 20.4 | ||
| Vitamin D insufficiency (20 - 29 ng/ml) (n-%) | 111 - 14.6 | ||
| Vitamin D deficiency (<20 ng/ml) (n-%) | 494 - 65.0 | ||
| PTH levels |
| ||
| Normal | Total (n - %) | 606 - 79.7 | |
| Winter (n - %) | 359 - 80.1 | ||
| Summer (n - %) | 247 - 79.2 | ||
| Elevated | Total (n - %) | 154 - 20.3 | |
| Winter (n - %) | 89 - 19.9 | ||
| Summer (n - %) | 65 - 20.8 | ||