Prevalence ORs and 95% CIs for associations of physical activity, smoking, and alcohol drinking with vitamin D statusa among breast cancer patients (n = 1,940).

aVitamin D status was based on measured circulating 25(OH)D levels in nmol/L. Models with exercise duration exclude five women missing data on exercise duration.bReference group.cAdditionally adjusted for education level, SBCS phase, BMI in quartiles, menopausal status, TNM stage, tumor estrogen/progesterone receptor status and total physical activity (MET-hours/day) (where applicable).dAdditionally adjusted for non-exercise METs.eDid not include walking for exercise.fAdditionally adjusted for exercise duration, walking duration (where applicable), and biking duration (where applicable).gDid not include biking for exercise.hWalking (not for exercise) and biking (not for exercise) duration.iAdditionally adjusted for exercise duration.jIncludes walking and biking for transportation and exercise duration.