Table 5.
Multivariable Linear Regression Analysis of Characteristics Associated with 25(OH)D concentrations (ng/mL). R2=0.13 for complete model.
| Characteristic | Estimate (95% CI) | p-value |
|---|---|---|
| Age (per decade) | 0.82 (0.64, 1.01) | <0.001 |
| Sex (M vs F) | −3.02 (−3.58, −2.46) | <0.001 |
| Race (White vs Non-White) | 7.98 (7.25, 8.70) | <0.001 |
| Charlson Comorbidity Index (per unit) | −0.16 (−0.26, −0.07) | <0.001 |
| BMI (per unit) | −0.34 (−0.37, −0.31) | <0.001 |
| Season | ||
| Winter | Reference | |
| Spring | 0.98 (0.33, 1.63) | 0.003 |
| Summer | 3.86 (3.19, 4.54) | <0.001 |
| Fall | 2.98 (2.33, 3.63) | <0.001 |
| Houses Z | 0.28 (0.21, 0.35) | <0.001 |