Variables | Â | Vitamin D | P valuea | |||
---|---|---|---|---|---|---|
≥10 ng/mL | <10 ng/mL | |||||
N | % | N | % | |||
Total | Â | 1040 | (70.7) | 432 | (29.3) | Â |
Age, years | ≥30 | 584 | (71.8) | 229 | (28.2) | 0.269 |
<30 | 456 | (69.2) | 203 | (30.8) | Â | |
Sex | Male | 886 | (75.2) | 292 | (24.8) | <0.001 |
Female | 154 | (52.4) | 140 | (47.6) | Â | |
Regular exercise, times per week | ≥3 | 405 | (75.7) | 130 | (24.3) | 0.001 |
<3 | 635 | (67.8) | 302 | (32.2) | Â | |
Smoking | Current | 328 | (76.6) | 100 | (23.4) | 0.001 |
Never/former | 712 | (68.2) | 332 | (31.8) | Â | |
Risky drinkingb | Yes | 296 | (77.1) | 88 | (22.9) | 0.001 |
No | 744 | (68.4) | 344 | (31.6) | Â | |
Body mass index, kg/m2 | <25 | 668 | (70.5) | 280 | (29.5) | 0.831 |
≥25 | 372 | (71.0) | 152 | (29.0) |  | |
Marital status | Married | 571 | (73.8) | 203 | (26.2) | 0.006 |
Unmarried | 469 | (67.2) | 229 | (32.8) | Â | |
Education level | ≥College | 718 | (72.2) | 276 | (27.8) | 0.055 |
≤High school | 322 | (67.4) | 156 | (32.6) |  | |
Job tenure, years | <5 | 321 | (68.6) | 147 | (31.4) | 0.387 |
5–9 | 277 | (72.3) | 106 | (27.7) |  | |
≥10 | 442 | (71.2) | 179 | (28.8) |  | |
Job stress | Low | 807 | (70.1) | 344 | (29.9) | 0.390 |
High | 233 | (72.6) | 88 | (27.4) | Â | |
Test seasonc | Spring | 198 | (66.0) | 102 | (34.0) | <0.001 |
Summer | 400 | (87.7) | 56 | (12.3) | Â | |
Autumn | 117 | (78.0) | 33 | (22.0) | Â | |
Winter | 325 | (57.4) | 241 | (42.6) | Â |