Breast may not always be best: moderation of effects of postnatal depression by breastfeeding and infant sex

Table 4 Results of models testing the association between postnatal depression and IBQ-R at 9 weeks and 14 months in males and females who were breastfed and not breastfed

	Males						Females
	Breastfed			Non-breastfed			Breastfed			Non-breastfed
	Unstand. coeff (95% CI)	Stand. coeff (95% CI)	p	Unstand. coeff (95% CI)	Stand. coeff (95% CI)	p	Unstand. coeff (95% CI)	Stand. coeff (95% CI)	p	Unstand. coeff (95% CI)	Stand. coeff (95% CI)	p
Age 9 week IBQ distress to limits
Age 9 week maternal depression	0.07 (0.03 to 0.11)	0.38 (0.18 to 0.57)	< 0.001	0.04 (0.02 to 0.07)	0.26 (0.13 to 0.38)	< 0.001	0.05 (0.02 to 0.09)	0.31 (0.10 to 0.51)	0.006	0.06 (0.04 to 0.07)	0.34 (0.23 to 0.44)	< 0.001
Age 14 month IBQ distress to limits
Age 9 week maternal depression	− 0.01 (− 0.07 to 0.05)	− 0.03 (− 0.25 to 0.19)	0.784	0.02 (− 0.01 to 0.05)	0.08 (− 0.05 to 0.21)	0.253	0.08 (0.04 to 0.13)	0.34 (0.15 to 52)	0.001	0.03 (0.01 to 0.06)	0.13 (0.01 to 0.25)	0.030

ISSN: 2042-6410