| Effect (ng/ml 25-hydroxyvitamin D) | CI | p Value |
Group—TID: Control | −6.67 | −9.22 to −4.13 | <0.0001 |
Race— African American: Caucasian Other: Caucasian |
−8.31 −7.89 |
−11.33 to −5.28 −11.85 to −3.92 | <0.0001 |
Age (change from 1st quartile to 3rd quartile) | −1.60 | −4.40 to 1.20** | Slope: 0.002 Non-linear: 0.002 |
Gender—Female: Male | −0.70 | −2.78 to 1.37 | 0.51 |
BMI z-score (change from 1st quartile to 3rd quartile) | 1.52 | −2.28 to 3.26** | Slope: 0.005 Non-linear: 0.002 |
UV30* (per 1 unit increase) | 0.61 | 0.26 to 0.96 | 0.0006 |
Multivitamin Supplementation | 1.22 | −1.69 to 4.14 | 0.41 |