Table 6.

Variables that had categories with statistical significance and were included in the later logistic regressions.

	Estimation	Wald	Sig.	95%CI
				Inferior	Superior
Duration of breastfeeding
Less than 6 months	−1.184	4.786	0.029	−2.245	−0.123
1–2 years	−0.348	0.422	0.516	−1.399	0.703
More than 2 years	0.692	1.647	0.199	−0.365	1.748
University
Universidad de Sevilla	−0.426	5.016	0.025	−0.799	−0.053
Universitat Jaume I	0 1
Have a partner
Yes	−1.043	0.405	0.01	−1.836	−0.25
No	0 1
Attended antenatal classes
Yes	0.595	5.219	0.022	0.085	1.105
No	0 1
Breastfeeding information
Yes	−0.788	5.432	0.02	−1.45	−0.125
No	0 1
Maternity leave time
Less than 16 weeks	−0.321	3.688	0.055	−0.649	0.007
More than 16 weeks	0 1
Attended a breastfeeding support group
Yes	0.532	5.91	0.015	0.103	0.96
No	0 1
Continued breastfeeding when back at work
Yes	1.93	98.846	<0.001	1.549	2.31
No	0 1

¹ This parameter is set at zero because it is redundant.