Table 3.

Associations from linear regression models (coefficients and 95% confidence intervals) between breastfeeding duration in the first and the second child unadjusted and adjusted for intention and self-efficacy

	Model 1		Model 2		Model 3
	Coef.	95% CI	Coef.	95% CI	Coef.	95% CI
Outcome: Exclusive breastfeeding (weeks), N = 650
Duration of exclusive breastfeeding, first child (weeks)	0.36***	[0.29, 0.44]	0.28***	[0.20, 0.36]	0.19***	[0.10, 0.27]
Intended breastfeeding duration, second child (weeks)			0.14***	[0.09, 0.19]	0.12***	[0.07, 0.17]
Confidence in ability to breastfeed for 4 months, second child					4.69***	[2.69, 6.69]
Outcome: Any breastfeeding (weeks), N = 623
Duration of any breastfeeding, first child (weeks)	0.65***	[0.58, 0.73]	0.53***	[0.42, 0.63]	0.48***	[0.37, 0.59]
Intended breastfeeding duration, second child (weeks)			0.19**	[0.08, 0.29]	0.19**	[0.08, 0.30]
Confidence in ability to breastfeed for 4 months, second child					3.60*	[0.38, 6.82]

^*p < 0.05; ^**p < 0.01; ^***p < 0.001

Adjusted for maternal age, maternal educational level, gender, gestational age, birth weight, caesarean section, formula supplement in hospital, received support in the hospital, received support from the health visitor, received support from the father and intervention