Factors | Unadjusted | Model 1 | Model 2 |
---|---|---|---|
OR (95% CI) | OR (95% CI) | OR (95% CI) | |
Breastfeeding experience (dichotomized) | |||
 Non-breastfeed | 1 | 1 | 1 |
 Breastfeed ≥1 mth | 2.26 (1.68, 3.02)a | 1.59 (1.18, 2.16)b | 1.49 (1.01, 2.21)c |
Breastfeeding duration (categorized) | |||
 None | 1 | 1 | 1 |
 1–24 mths | 1.20 (0.87, 1.66) | 1.29 (0.93, 1.79) | 1.34 (0.89, 2.00) |
 25–48 mths | 2.13 (1.51, 3.01)a | 1.75 (1.23, 2.49)b | 1.67 (1.07, 2.61)b |
  ≥ 49 mths | 4.10 (3.08, 5.46)a | 2.08 (1.53, 2.83)a | 1.97 (1.29, 3.02)b |
 p for trend | <.001 | <.001 | 0.002 |