Table S4.
Determinants of severe vitamin D deficiency in winter and optimality in summer by generalized linear models
| Severe deficiency | Value | SE | t-value | Sufficiency | Value | SE | t-value |
| Gc2/Gc2 | 1.7086 | 0.4390 | 3.8919 | Weekly UVB duration | 0.7887 | 0.4043 | 1.9506 |
| VDR rs2544037 AA | 0.3698 | 0.1354 | 2.7306 | Arm EI | 1.9269 | 1.0812 | 1.7821 |
| Head MI | 1.8255 | 0.7504 | 2.4327 | Skin area exposed | 0.5448 | 0.3100 | 1.7577 |
| VDR rs10735810 AG | 0.3907 | 0.1862 | 2.0978 | Smoking | 0.2194 | 0.1519 | 1.4443 |
| CYP2R1 rs10741657 AA | 0.2244 | 0.1479 | 1.5172 | CYP24A1 rs6013897 AT | 0.2929 | 0.2622 | 1.1171 |
| Weekly UVB duration | 0.2710 | 0.1801 | 1.5052 | VDR rs731236 AA | 0.3883 | 0.3573 | 1.0866 |
| VDR rs2544037 AG | 0.2015 | 0.1500 | 1.3433 | CYP24A1 rs6013897 AA | 0.2555 | 0.2574 | 0.9926 |
| Gc1F/Gc2 | 0.3076 | 0.2395 | 1.2839 | VDR rs10735810 AA | 0.2279 | 0.2525 | 0.9026 |
| Skin area exposed | 0.2172 | 0.1705 | 1.2745 | VDR rs731236 AG | 0.3144 | 0.3532 | 0.8901 |
| VDR rs10735810 AA | 0.1988 | 0.1661 | 1.1969 | CYP27B1 rs10877012 CA | 0.4129 | 0.4655 | 0.8870 |
| VDR rs10783219 AT | 0.2847 | 0.2597 | 1.0960 | Gc1F/Gc2 | 0.3760 | 0.4469 | 0.8414 |
| CYP2R1 rs10741657 AG | 0.1266 | 0.1527 | 0.8292 | CYP27B1 rs10877012 CC | 0.3221 | 0.4510 | 0.7141 |
| Serum DBP | 0.1441 | 0.2172 | 0.6635 | Dietary Intake | 0.0602 | 0.1018 | 0.5911 |
| DHCR7 rs12785878 GG | 0.1283 | 0.2096 | 0.6121 | Gc2/Gc1S | 0.1970 | 0.3609 | 0.5459 |
| Gc1F/Gc1F | 0.1123 | 0.2012 | 0.5580 | VDR rs10783219 AA | 0.1816 | 0.3746 | 0.4848 |
| Gc1F/Gc1S | 0.1279 | 0.2322 | 0.5509 | VDR rs10735810 AG | 0.0684 | 0.2610 | 0.2620 |
| DHCR7 rs12785878 GT | 0.1068 | 0.2028 | 0.5264 | VDR rs10783219 AT | 0.0621 | 0.3876 | 0.1603 |
| VDR rs10783219 AA | 0.1286 | 0.2578 | 0.4989 | VDR rs2544037 AG | 0.0308 | 0.2196 | 0.1403 |
| VDR rs731236 AG | 0.1193 | 0.2481 | 0.4808 | BMI | 0.0735 | 0.7083 | 0.1038 |
| Gc2/Gc1S | 0.1413 | 0.3567 | 0.3961 | Gc1F/Gc1F | 0.0258 | 0.3447 | 0.0748 |
| VDR rs731236 AA | 0.0779 | 0.2450 | 0.3178 | Head EI | −0.1149 | 1.0197 | −0.1126 |
| CYP24A1 rs6013897 AA | 0.0537 | 0.1788 | 0.3004 | Head MI | −0.1974 | 1.0410 | −0.1896 |
| Smoking | 0.0319 | 0.1121 | 0.2844 | VDR rs2544037 AA | −0.0439 | 0.2103 | −0.2086 |
| CYP24A1 rs6013897 AT | 0.0337 | 0.1924 | 0.1752 | Gc1S/Gc1S | −0.2197 | 0.4920 | −0.4465 |
| Dietary intake | −0.0202 | 0.0760 | −0.2659 | CYP2R1 rs10741657 AG | −0.1421 | 0.2461 | −0.5772 |
| Arm EI | −0.2401 | 0.7573 | −0.3171 | CYP2R1 rs10741657 AA | −0.1532 | 0.2458 | −0.6233 |
| CYP27B1 rs10877012 CA | −0.2122 | 0.2939 | −0.7220 | Serum DBP | −0.2515 | 0.3219 | −0.7813 |
| PNUVB | −0.6304 | 0.8193 | −0.7695 | Gc1F/Gc1S | −0.6141 | 0.6661 | −0.9220 |
| CYP27B1 rs10877012 CC | −0.2297 | 0.2927 | −0.7849 | Arm MI | −1.2803 | 1.1883 | −1.0775 |
| BMI | −0.3770 | 0.4538 | −0.8307 | DHCR7 rs12785878 GT | −0.3737 | 0.2728 | −1.3699 |
| Head EI | −0.8837 | 0.8208 | −1.0766 | Sex | −0.1090 | 0.0755 | −1.4453 |
| Sex | −0.0718 | 0.0541 | −1.3278 | DHCR7 rs12785878 GG | −0.4582 | 0.2814 | −1.6283 |
| Arm MI | −1.4146 | 0.8913 | −1.5870 | PNUVB | −4.7016 | 2.6123 | −1.7998 |