Table 6.
Odds Ratios and 95% Confidence Intervals for the Association Between Circulating 25(OH)Da and Risk of Upper Gastrointestinal Cancer by Selected Strata Within the Cohort Consortium Vitamin D Pooling Project of Rarer Cancers
| OR | 95% CI | |
| Age at blood draw, years | ||
| ≤61 | 1.07 | 0.84, 1.36 |
| >61 | 1.06 | 0.80, 1.39 |
| Body mass index, kg/m2 | ||
| <25 | 1.00 | 0.77, 1.30 |
| 25–<30 | 1.28 | 0.94, 1.74 |
| ≥30 | 0.82 | 0.47, 1.43 |
| Physical activity | ||
| Sedentary | 0.97 | 0.73, 1.30 |
| Light | 0.98 | 0.69, 1.38 |
| Moderate | 1.60 | 0.85, 3.00 |
| Vigorous | 1.10 | 0.63, 1.91 |
| Follow-up time, years | ||
| <2 | 1.19 | 0.83, 1.71 |
| ≥2 | 1.04 | 0.84, 1.28 |
Abbreviations: CI, confidence interval; 25(OH)D, 25-hydroxyvitamin D; OR, odds ratio.
a
Modeled as 1 log unit of 25(OH)D in unconditional logistic regression models adjusted for the matching factors cohort, race, sex, and date of blood draw, with further adjustment for alcohol drinking, smoking, education, and history of gastric surgery, as appropriate within strata.