Table 3.

Factors related to breastfeeding by multivariate logistic regression

	Ever breastfed*			Continued breastfeeding after returning to work†
	OR‡	(95% CI)	P value	OR‡	(95% CI)	P value
Age, years
< 30/≥ 30	1.37	(0.99–1.89)	0.057	0.69	(0.40–1.23)	0.211
Education
> College/≤ College	1.59	(1.12–2.17)	0.008	1.03	(0.57–1.87)	0.926
Children's age
<1 yr/>3 yr	1.34	(0.54–3.31)	0.529	2.53	(1.55–4.14)	<0.001
1–3 yr/>3 yr	0.85	(0.36–1.99)	0.701	1.64	(1.10–2.42)	0.014
Worksite
Office/Fab	2.33	(1.40–3.87)	0.001	4.32	(2.30–8.11)	<0.001
Employment, years
≤6/≥10	1.77	(1.17–2.67)	0.007	1.14	(0.53–2.43)	0.745
7–9/≥ 10	1.91	(1.25–2.94)	0.003	0.83	(0.42–2.02)	0.826
Awareness of lactation rooms
Yes/No	1.60	(1.14–2.24)	0.006	2.71	(1.19–6.15)	0.017
Awareness of breast pumping breaks
Yes/No	0.87	(0.59–1.28)	0.474	2.68	(1.57–4.58)	<0.001

Note: OR=odds ratio; CI=confidence interval.

*Women who never breastfed as reference group.

† Women who only breastfed during maternity leave as reference group.

‡ Adjusted for all other variables in the table.