| Birth weight | Small for gestational age | Preterm birth | |||
---|---|---|---|---|---|---|
Model covariates | Change (in grams) | 95% CI | OR | 95% CI | OR | 95% CI |
Mother's education | Â | Â | Â | Â | Â | Â |
   High school or less (≤ 12 years) | -8.6 | -12.9, -4.3 | 1.18 | 1.14, 1.22 | 1.11 | 1.06, 1.15 |
   Some college (13–15 years) | Reference |  |  |  |  |  |
   College or postgraduate (≥ 16 years) | 6.0 | 2.1, 10.0 | 1.05 | 1.01, 1.08 | 1.05 | 1.01, 1.09 |
Mother's race | Â | Â | Â | Â | Â | Â |
   White | Reference |  |  |  |  |  |
   African-American | -112.9 | -119.6, -106.3 | * |  | 1.06 | 1.00, 1.11 |
   Asian | -193.0 | -199.4, -186.7 |  |  | 0.77 | 0.73, 0.82 |
   Hispanic | -78.0 | -83.6, -72.3 |  |  | 1.02 | 0.97, 1.07 |
APNCU | Â | Â | Â | Â | Â | Â |
   Inadequate | -53.4 | -59.2, -47.6 | 1.26 | 1.21, 1.31 | 4.52 | 4.25, 4.81 |
   Intermediate | -39.0 | -44.6, -33.3 | 1.12 | 1.08, 1.17 | 1.91 | 1.76, 2.08 |
   Appropriate | Reference |  |  |  |  |  |
   Appropriate plus | -11.1 | -14.5, -7.6 | 0.98 | 0.96, 1.01 | 9.05 | 8.67, 9.45 |
Median household income†| 8.8 | 6.5, 11.2 | 0.92 | 0.91, 0.94 | 0.99 | 0.98, 1.01 |