Maternal Characteristics and Temporal Trends in Birth Outcomes: Comparison between Spanish and Migrant Mothers
Table 2
Results of the logistic regression analysis explaining the relative contribution of mother’s origin and Caesarean section to birth weight variability (Spain, 2007–2009, single births).
Low birth weight (<2.500 g)
Newborn, labor, and maternal characteristics (reference category)
2007–2009
Exp (B)
95% CI
Lower limit
Upper limit
Year of birth
1.095***
1.056
1.135
Occupation (professionals)
Skilled workers
1.109*
1.015
1.212
Primary and tertiary sectors, and non-skilled workers