Multivariable hazard ratios (HRs) and 95% confidence intervals (CIs) for (A) overall and (B) colorectal cancer-specific mortality comparing the highest to the lowest quartile of plasma vitamin D binding protein among colorectal cancer patients, stratified by covariates. Adjusted for age at diagnosis (continuous), sex, body mass index (continuous), physical activity (continuous), cancer stage (I to IV or unknown), grade of tumor differentiation (well differentiated, moderately differentiated, poorly differentiated, unknown), location of primary tumor (proximal colon, distal colon, rectum, unknown), and year of diagnosis (continuous), excluding the stratification covariate. 25(OH)D, 25-hydroxyvitamin D.