Table 2 General linear model to determine the independent association of functional impairment (GMFCS) and waist circumference (WC) on vitamin D status, adjusting for age, sex, GMFCS, Race and Season
|  | Model predictor(s) | β | SE | t | Pr > |t| | Adjusted R2 |
|---|---|---|---|---|---|---|
25 hydroxyvitamin D (25(OH)D) | Â | Â | Â | Â | Â | 0.19 |
| Â | Intercept | 55.56 | l0.1 | 5.46 | <0.001 | Â |
| Â | Age | 0.0 | 0.13 | 0.59 | 0.55 | Â |
| Â | Sex | -0.66 | 3.23 | -0.20 | 0.84 | Â |
| Â | WC | -0.27 | 0.08 | -3.35 | <0.001 | Â |
| Â | GMFCS | -0.47 | 1.4 | -0.32 | 0.74 | Â |
| Â | Race/Ethnicity | -11.74 | 4.02 | -2.91 | 0.01 | Â |
| Â | Season | -1.56 | 1.52 | 1.02 | 0.31 | Â |