Table 3.

Multivariate logistic regression analyses indicating associations between independent variables and the different outcomes.

Variable	OR	SE	95% CI	p-value
Model 1. Having heard about the exclusive breastfeeding and knowledge that should be practiced at least 6 months
Log likelihood = −154.63, χ2 = 79.85 (10 df), p < 0.0001
Marital status	3. 3	1.17	1.64–6.64	0.001
Mothers who have practiced the rooming in	2.2	0.52	1.39–3.49	0.001
Healthcare providers as source of information about breastfeeding	2.67	0.81	1.48–4.83	0.001
Older age	1.06	0.02	1.01–1.11	0.028
Educational level
No formal education, elementary or middle school	1 *
High school	1.45	0.55	0.69–3.06	0.33
College degree or higher	3.38	1.44	1.47–7.81	0.004
Children’s body weight at birth ≥2.5 kilograms	7.71	8.55	0.87–67.91	0.07
Type of delivery	1.66	0.49	0.94–2.96	0.082
Needs of additional information about breastfeeding	0.69	0.21	0.39–1.25	0.222
Health problems related to pregnancy	1.44	0.58	0.65–3.15	0.365
Model 2. Profile of mothers who practiced the exclusive breastfeeding for at least six months
Log likelihood = −269.82, χ2 = 87.11 (8 df), p < 0.0001
Women who practiced exclusive breastfeeding during the hospital stay	3.34	0.88	1.99–5.62	<0.001
Women who had received the exclusive breastfeeding recommendation at hospital discharge	2.54	0.76	1.41–4.58	0.002
Agree that breastfeeding creates a positive relationship between mother and child	1.89	0.55	1.07–3.33	0.03
Marital status	1.77	0.52	0.99–3.16	0.051
Type of hospital in which the delivery occurred	1.57	0.37	0.99–2.51	0.055
Occupation	1.38	0.3	0.9–2.12	0.132
Week of pregnancy in which the child was born	1.39	1.15	0.73–6.14	0.164
Agree that the exclusive breastfeeding is very useful for the health of child	1.54	0.53	0.78–3.03	0.210

* Reference category. OR: odds ratio; SE: standard error; CI: confidence interval.