Table 2. Unadjusted Association Between Vitamin D Levels and SARS-CoV-2 Seropositivity.
Vitamin D level comparison and year | OR (95% CI) | P value |
---|---|---|
<30 vs ≥30 ng/mL | ||
2019 | 1.44 (1.25-1.66) | <.001 |
2020 | 1.35 (1.17-1.55) | <.001 |
<20 vs ≥20 ng/mL | ||
2019 | 1.47 (1.28-1.70) | <.001 |
2020 | 1.28 (1.10-1.48) | .001 |
Abbreviation: OR, odds ratio.
SI conversion factor: To convert vitamin D level to nanomoles per liter, multiply by 2.496.