Table 3.
Spearman correlations between prenatal 25(OH)D and cord blood 25(OH)D.
| r | p | |
|---|---|---|
| All children | 0.75 | <0.001 |
|
| ||
| Baby is Black | 0.65 | <0.001 |
| Baby is White | 0.87 | <0.001 |
|
| ||
| Baby is firstborn | 0.78 | <0.001 |
| Baby is not firstborn | 0.75 | <0.001 |
|
| ||
| Winter birth | 0.81 | <0.001 |
| Nonwinter birth | 0.74 | <0.001 |
|
| ||
| Maternal prenatal 25(OH)D <40 ng/mL | 0.71 | <0.001 |
| Maternal prenatal 25(OH)D ≥40 ng/mL | 0.65 | <0.001 |
|
| ||
| Maternal prenatal 25(OH)D <20 ng/mL | 0.29 | 0.004 |
| Maternal prenatal 25(OH)D ≥20 ng/mL | 0.73 | <0.001 |
|
| ||
| Maternal prenatal 25(OH)D <15 ng/mL | 0.16 | 0.22 |
| Maternal prenatal 25(OH)D ≥15 ng/mL | 0.77 | <0.001 |
|
| ||
| Maternal BMI at 1st prenatal visit <30 kg/m2 | 0.78 | <0.001 |
| Maternal BMI at 1st prenatal visit ≥30 kg/m2 | 0.78 | <0.001 |
|
| ||
| Maternal BMI at 1st prenatal visit <35 kg/m2 | 0.79 | <0.001 |
| Maternal BMI at 1st prenatal visit ≥35 kg/m2 | 0.70 | <0.001 |
|
| ||
| Preterm birth (<37 weeks) | 0.54 | 0.015 |
| Full term birth (≥37 weeks) | 0.77 | <0.001 |
|
| ||
| Low birth weight (≤2500 g) | 0.43 | 0.08 |
| Not low birth weight (>2500 g) | 0.77 | <0.001 |
|
| ||
| Baby born vaginally | 0.78 | <0.001 |
| Baby born via c-section | 0.71 | <0.001 |
|
| ||
| Mother is atopic | 0.73 | <0.001 |
| Mother is not atopic | 0.78 | <0.001 |