Table 4.
Univariate analysis of the association between clinical parameters and thyroid cancer prevalence in the study subjects
| Clinical parameter | No. | Univariate analysis | |
|---|---|---|---|
| Odds ratio (95% CI) | p value | ||
| Vitamin D status | |||
| Deficient | 280 | 0.73 (0.12-2.43) | 0.669 |
| Insufficient | 3,285 | Reference | |
| Sufficient | 1,257 | 1.39 (0.75-2.49) | 0.272 |
| Excess | 364 | 0.84 (0.20-2.37) | 0.844 |
| Sex | |||
| Male | 3,292 | Reference | |
| Female | 1,894 | 1.05 (0.59-1.83) | 0.854 |
| Age (per year) | - | 1.00 (0.97-1.03) | 0.792 |
| Smoking | |||
| Male | |||
| Non-smoker | 688 | Reference | |
| Smoker | 2,604 | 0.60 (0.29-1.33) | 0.186 |
| Female | |||
| Non-smoker | 1,772 | Reference | |
| Smoker | 122 | 1.46 (0.23-5.08) | 0.613 |
| Season | |||
| Spring | 1,498 | Reference | |
| Summer | 1,504 | 1.06 (0.53-2.12) | 0.870 |
| Fall | 1,175 | 0.96 (0.44-2.02) | 0.906 |
| Winter | 1,009 | 0.74 (0.30-1.69) | 0.489 |
CI, confidence interval.