Table 3.
Circulating 25(OH)D levels by vitamin D receptor Fok1 genotype and Bsm1, Apa1, and Taq1 haplotype, NYUWHS and NSHDS controls.
| Characteristic | 25(OH)D by Cohort (nmol/L) | |||||||
|---|---|---|---|---|---|---|---|---|
| NYUWHS | NSHDS | |||||||
| N | Median | (25%–75%) | N | Median | (25%–75%) | |||
| Fok1 | ||||||||
| C/C | 50 | 42.2 | (25.5–68.6) | 68 | 37.0 | (24.3–53.8) | ||
| C/T | 56 | 46.9 | (30.5–64.0) | 92 | 42.5 | (24.8–65.8) | ||
| T/T | 17 | 48.8 | (31.1–64.4) | 29 | 36.0 | (26.2–62.2) | ||
| P-trend | .27 | .28 | ||||||
|
| ||||||||
| Haplotype 1 | ||||||||
| (Bsm1 G, Apa1 G, and Taq1 T) | ||||||||
| 0 copies | 38 | 44.6 | (32.0–53.8) | 48 | 38.9 | (24.1–60.5) | ||
| 1 copies | 60 | 44.6 | (26.4–69.1) | 93 | 38.6 | (24.8–62.2) | ||
| 2 copies | 25 | 48.8 | (30.7–63.1) | 50 | 43.1 | (26.4–62.2) | ||
| P-trend | .71 | .25 | ||||||