Table 3.
Odds ratios and 95% confidence intervals for the association between variables on infant feeding outcomes in multivariate analysis
| Variable | Formula | Breastfeeding | Formula | Breastfeeding | Formula |
|---|---|---|---|---|---|
| at 2 weeks | at 2 months | at 2 months | at 6 months | at 6 months | |
| Milk supply concern | 7.68 (5.20, 11.3) | 0.24 (0.16, 0.35) | 5.93 (3.07, 11.4) | 0.46 (0.29, 0.72) | 3.49 (1.66, 7.37) |
| Maternal age (each year) | 0.96 (0.93, 0.99) | 1.09 (1.05, 1.13) | 0.96 (0.92, 1.0) | 1.07 (1.03, 1.12) | 1.00 (0.95, 1.05) |
| Race/ethnicity | |||||
| White, not Hispanic/Latino | Reference | Reference | Reference | Reference | Reference |
| White, Hispanic/Latino | 1.42 (0.76, 2.62) | 0.72 (0.35, 1.47) | 0.73 (0.35, 1.50) | 0.98 (0.44, 2.23) | 1.92 (0.68, 5.41) |
| Black, not Hispanic/Latino | 1.32 (0.70, 2.52) | 0.72 (0.35, 1.47) | 3.72 (1.06, 13.1) | 0.80 (0.35, 1.80) | 1.11 (0.36, 3.39) |
| Asian | 0.92 (0.44, 1.90) | 4.01 (1.31, 12.2) | 1.12 (0.41, 3.09) | 2.18 (0.88, 5.4) | 1.38 (0.48, 3.98) |
| Income | |||||
| <$25 000 | 2.02 (1.15, 3.56) | 0.72 (0.38, 1.36) | 1.34 (0.60, 3.01) | 0.67 (0.33, 1.36) | 0.69 (0.28, 1.70) |
| $25 000–$49 999 | 0.89 (0.57, 1.38) | 0.97 (0.58, 1.61) | 1.21 (0.69, 2.11) | 0.95 (0.57, 1.57) | 0.83 (0.44, 1.56) |
| $50 000–$74 999 | Reference | Reference | Reference | Reference | Reference |
| $75 000–$99 999 | 1.11 (0.73, 1.69) | 1.02 (0.61, 1.69) | 1.05 (0.62, 1.80) | 1.06 (0.64, 1.75) | 1.21 (0.66, 2.24) |
| ≥$100 000 | 0.85 (0.55, 1.31) | 1.30 (0.75, 2.24) | 0.76 (0.46, 1.28) | 0.91 (0.55, 1.49) | 0.64 (0.36, 1.14) |
| Multiparity | 0.88 (0.66, 1.18) | 1.15 (0.81, 1.64) | 0.76 (0.52, 1.11) | 0.97 (0.68, 1.38) | 1.00 (0.65, 1.55) |
| Cesarean section | 1.37 (1.01, 1.85) | 0.80 (0.56, 1.15) | 1.56 (1.05, 2.31) | 0.62 (0.43, 0.88) | 1.86 (1.16, 2.98) |