Table 2.
Regression models for Brigance quotient. * significant, p < 0.05.
| BRIGANCE QUOTIENT | |||
|---|---|---|---|
| Characteristic | Univariate Model B ± SE|p-Value |
Multivariate Model B ± SE|p-Value |
Fully Reduced Model B ± SE|p-Value |
| Treatment Group | |||
| 400 IU/day | Reference | Reference | Reference |
| 2000 IU/day | 0.35 ± 2.73|0.90 | 2.17 ± 2.53|0.39 | 2.40 ± 2.47|0.33 |
| 4000 IU/day | −0.46 ± 2.63|0.86 | −0.25 ± 2.61|0.92 | −0.46 ± 2.55|0.86 |
| 25(OH)D | |||
| Birth 25(OH)D | 0.16 ± 0.11|0.15 | 0.05 ± 0.12|0.71 | 0.04 ± 0.12|0.71 |
| 3–5 Year 25(OH)D | 0.36 ± 0.01|0.30 | 0.18 ± 0.11|0.01 | 0.21 ± 0.11|0.05 * |
| Maternal Education | |||
| No College Education | Reference | Reference | Reference |
| College Educated | 11.01 ± 2.05|<0.001 | 7.46 ± 2.27|0.001 | 7.28 ± 2.22|0.001 * |
| Marital Status | |||
| Unmarried | Reference | Reference | |
| Married | 6.66 ± 2.13|0.002 | 1.44 ± 2.49|0.56 | |
| Sex of Child | |||
| Female | Reference | ||
| Male | −2.00 ± 2.18|0.36 | ||
| Breastfeeding Status | |||
| Formula-fed | Reference | Reference | |
| Breastfed | 6.79 ± 2.18|0.002 | −0.83 ± 2.35|0.725 | |
| Race | |||
| White | Reference | Reference | Reference |
| Hispanic | −15.77 ± 2.38|<0.001 | −17.37 ± 6.65|0.010 | −10.19 ± 3.0|<0.001 * |
| African American | −7.53 ± 2.44|0.002 | −3.10 ± 3.89|0.43 | −3.42 ± 3.23|0.29 |
| Small for Gestational Age | |||
| AGA or LGA | Reference | ||
| SGA | −1.10 ± 3.52|0.75 | ||
| Season | |||
| Summer, Fall, Winter | Reference | Reference | |
| Spring | 5.87 ± 2.17|0.008 | 2.29 ± 2.02|0.26 | |
| Insurance Status | |||
| Self-Pay | Reference | Reference | |
| Private Insurance | 12.83 ± 2.35|<0.001 | −8.59 ± 6.22|0.170 | |
| Medicaid | 6.67 ± 2.53|0.009 | −8.19 ± 5.88|0.17 | |
| Vitamin D Binding Protein Genotype | |||
| 1f1f | Reference | ||
| 1f1s or 1f2 | −0.51 ± 2.92|0.86 | ||
| 1s1s, 1s2, or 2,2 | −1.29 ± 2.63|0.63 | ||