Breastfeeding duration in mothers who express breast milk: a cohort study

Table 1 Demographic characteristics of the participants in the Perth Infant Feeding Study II

	Total sample (n = 587)	% of total sample	% who expressed at 4 weeks
Maternal age (years)
<20	32	5.5	62
20–29	292	20.8	57
30+	262	30.4	47
Maternal education
Did not complete high school	211	35.9	51
Completed high school or equivalent*	307	52.3	52
Bachelor degree or higher	69	11.8	55
Parity
Primiparous	216	36.8	68
Multiparous	371	63.2	44
Birthweight (g)
<2500	13	2.2	82
>2500	566	97.8	52

ISSN: 1746-4358