Table 2.
HM Feeding at Discharge—Bivariate and Multivariate Logistic Regression Analyses
| Bivariate analyses | Step 1 | Step 2 | Step 3 | |||||
|---|---|---|---|---|---|---|---|---|
| Covariate | OR (95% CI) | p | OR (95% CI) | p | OR (95% CI) | p | OR (95% CI) | p |
| Maternal characteristics | ||||||||
| Maternal age (years) | 1.08 (1.05–1.12) | <0.001 | 1.04 (1.00–1.08) | 0.041 | 1.04 (1.00–1.08) | 0.064 | 1.04 (1.00–1.09) | 0.042 |
| Maternal race/ethnicity | <0.001 | 0.006 | 0.020 | 0.062 | ||||
| White/Asian (Ref) | ||||||||
| Hispanic | 1.04 (0.60–1.83) | 0.881 | 1.89 (0.94–3.79) | 0.074 | 2.12 (0.95–4.70) | 0.065 | 0.99 (0.21–4.54) | 0.986 |
| Black/non-Hispanic | 0.41 (0.24–0.70) | 0.001 | 0.73 (0.39–1.38) | 0.338 | 0.88 (0.42–1.86) | 0.736 | 0.26 (0.07–1.00) | 0.051 |
| WIC eligible | 0.26 (0.16–0.41) | <0.001 | 0.39 (0.21–0.73) | 0.003 | 0.40 (0.21–0.75) | 0.005 | 0.41 (0.22–0.79) | 0.007 |
| Maternal education | <0.001 | 0.120 | 0.125 | 0.133 | ||||
| Less than high school (Ref) | ||||||||
| High school complete | 0.60 (0.30–1.18) | 0.135 | 0.71 (0.34–1.50) | 0.371 | 0.72 (0.33–1.53) | 0.387 | 0.68 (0.31–1.47) | 0.329 |
| Some college or trade school | 0.89 (0.48–1.65) | 0.710 | 0.95 (0.46–1.96) | 0.889 | 0.92 (0.44–1.92) | 0.826 | 0.87 (0.41–1.86) | 0.720 |
| Completed 4 years of college | 2.91 (1.48–5.73) | 0.002 | 1.79 (0.74–4.31) | 0.194 | 1.80 (0.74–4.36) | 0.196 | 1.67 (0.67–4.15) | 0.266 |
| Infant characteristics | ||||||||
| Female gender | 1.19 (0.79–1.80) | 0.403 | 1.08 (0.68–1.71) | 0.744 | 1.08 (0.68–1.72) | 0.754 | 1.05 (0.66–1.68) | 0.835 |
| Gestational age (weeks) | 1.09 (1.01–1.19) | 0.037 | 0.94 (0.80–1.10) | 0.465 | 0.96 (0.82–1.13) | 0.619 | 0.95 (0.81–1.12) | 0.560 |
| Birthweight (100 g) | 1.09 (1.00–1.18) | 0.049 | 0.94 (0.82–1.09) | 0.433 | 1.00 (1.00–1.00) | 0.491 | 0.94 (0.81–1.09) | 0.445 |
| Length of NICU hospitalization (days) | 0.99 (0.98–1.00) | 0.001 | 0.98 (0.97–0.99) | 0.002 | 0.98 (0.97–0.99) | 0.005 | 0.98 (0.97–0.99) | 0.003 |
| Geospatial factors | ||||||||
| Neighborhood concentrated disadvantage | 0.72 (0.60–0.86) | <0.001 | 1.00 (0.73–1.37) | 0.986 | 0.97 (0.71–1.34) | 0.877 | ||
| Neighborhood violent crime rate | 0.93 (0.89–0.98) | 0.003 | 1.00 (1.00–1.00) | 0.666 | 0.99 (0.93–1.07) | 0.891 | ||
| Distance to nearest WIC office | 1.11 (1.01–1.22) | 0.035 | 0.99 (0.83–1.18) | 0.948 | 1.01 (0.84–1.20) | 0.946 | ||
| Distance to nearest breastfeeding support | 0.96 (0.90–1.02) | 0.221 | 0.92 (0.83–1.00) | 0.060 | 0.92 (0.83–1.00) | 0.063 | ||
| Distance to RUMC | 1.01 (0.99–1.03) | 0.219 | 1.02 (0.99–1.05) | 0.165 | 1.02 (0.99–1.06) | 0.145 | ||
| Access to a car | 1.48 (0.89–2.45) | 0.129 | 1.08 (0.61–1.92) | 0.785 | 0.37 (0.11–1.21) | 0.100 | ||
| Race/ethnicity and access to a car | 0.100 | |||||||
| White/Asian (Ref) | ||||||||
| Hispanic | 2.71 (0.50–14.58) | 0.245 | ||||||
| Black | 4.84 (1.14–20.44) | 0.032 | ||||||
Bold values indicate p < 0.05.
OR, odds ratio.