Univariate analyses of different candidate vitamin D determinants
| Characteristic | 25(OH)VD3 | 1, 25(OH)2 VD3 | 24, 25(OH)2 VD3 |
|---|---|---|---|
| Body mass index | −0.24 (0.001) | −0.16 (0.029) | −0.20 (0.006) |
| Summer sun exposure | 0.22 (0.002) | 0.14 (0.048) | 0.20 (0.005) |
| Winter sun exposure | 0.17 (0.017) | 0.07 (0.31) | 0.13 (0.077) |
| Multivitamin supplement | 0.29 (<0.001) | 0.09 (0.23) | 0.21 (0.005) |
| Vitamin D supplement | 0.13 (0.083) | 0.13 (0.090) | 0.09 (0.22) |
| Race: White or not | 0.18 (0.014) | 0.12 (0.095) | 0.14 (0.057) |
| Skin colour | −0.12 (0.093) | −0.16 (0.029) | −0.13 (0.065) |
| Eye colour | −0.17 (0.015) | −0.18 (0.010) | −0.18 (0.010) |
| HLA DRB1*1501 | 0.082 (0.25) | 0.020 (0.78) | 0.11 (0.13) |
| Present interferon use | −0.058 (0.41) | 0.014 (0.84) | −0.032 (0.65) |
The partial correlation (rp) and covariate p value (in parenthesis) results for each determinant are shown.
25(OH)VD3, 25 hydroxy vitamin D3; 1, 25(OH)2 VD3,1, 25 dihydroxy vitamin D3; 24, 25(OH)2 VD3, 24, 25 dihydroxy vitamin D3.