Partnership, living arrangements, and low birth weight: evidence from a population-based study on Spanish mothers

Table 3 Effects of selected variable on low birthweight. Full sample (Model 0) and four comparisons between different living arrangements

Model 0			Model 1		Model 2		Model 3		Model 4
	OR	SE	OR	SE	OR	SE	OR	SE	OR	SE
Living arrangements
No partner, without non-nuclear coresidents	ref.		ref.				ref.
No partner, non-nuclear coresidents	0.916	0.119			ref.		0.882	0.123
Partner, without non-nuclear coresidents	0.893	0.090	0.893	0.091					ref.
Partner, non-nuclear coresidents	1.140	0.158			1.206	0.164			1.275*	0.135
Sex of new born
Male	ref.		ref.		ref.		ref.		ref.
Female	1.432***	0.079	1.390***	0.086	1.608***	0.200	1.527***	0.191	1.411***	0.087
Birth Order
1	ref.		ref.		ref.		ref.		ref.
2	0.578***	0.035	0.579***	0.038	0.578***	0.086	0.561***	0.085	0.580***	0.038
3+	0.550***	0.060	0.538***	0.064	0.638	0.171	0.658	0.209	0.536***	0.062
Gestational Age
Normal	ref.		ref.		ref.		ref.		ref.
Premature	0.036***	0.002	0.036***	0.002	0.038***	0.005	0.034***	0.004	0.037***	0.002
Age of Mother
< 25	ref.		ref.		ref.		ref.		ref.
25–34	0.980	0.119	0.972***	0.197	0.978	0.159	0.959	0.174	1.023	0.176
35+	1.182	0.151	1.144***	0.235	1.359	0.265	0.939	0.199	1.284	0.226
Education of Mother
Primary or Less	ref.		ref.		ref.		ref.		ref.
Secondary	0.860*	0.060	0.885	0.071	0.782	0.114	0.904	0.140	0.848*	0.066
Tertiary	0.664***	0.047	0.684***	0.054	0.585***	0.100	0.708*	0.119	0.655***	0.052
Origin of Mother
Native	ref.		ref.		ref.		ref.		ref.
Immigrant	0.670***	0.063	0.657***	0.075	0.702*	0.115	0.563**	0.125	0.698***	0.072
Constant	1.809***	0.288	1.853**	0.416	1.535**	0.254	1.999**	0.453	1.530*	0.272
Pseudo R square	0.271		0.270		0.270		0.288		0.265
N	22,433		18,560		3873		3987		18,446

Note. Model 0 includes the full sample. Model 1 compares non-partnered mothers without coresidents with partnered mothers without coresidents. Model 2 compares non- partnered mothers with coresidents with partnered mothers with coresidents. Model 3 compares non-partnered mothers without coresidents with non-partnered mothers with coresidents. Model 4 compares partnered mothers without coresidents with partnered mothers with coresidents

ISSN: 1471-2393