≤6 months ≤6 months >6 months RR (95% CI) P value P value
Unadjusted 71/92 (77%) 71/92 (77%) 74/117 (63%) 0.82 (0.69, 0.98) 0.03 0.03
Adjusted 0.89 (0.78, 1.02) 0.09 0.09
Intensity of breastfeeding by BLISS score Intensity of breastfeeding by BLISS score Intensity of breastfeeding by BLISS score Intensity of breastfeeding by BLISS score Intensity of breastfeeding by BLISS score Intensity of breastfeeding by BLISS score Intensity of breastfeeding by BLISS score
<19 (low–medium) ≥19 (high) ≥19 (high) <19 vs. ≥19 (95% CI) <19 vs. ≥19 (95% CI) P value
Unadjusted 75/98 (77%) 71/112 (63%) 71/112 (63%) 0.83 (0.69, 0.99) 0.83 (0.69, 0.99) 0.04
Adjusted 0.90 (0.77, 1.05) 0.90 (0.77, 1.05) 0.17