Abstract
OBJECTIVE: Our aim was to investigate if antenatal midwifery care was associated with lower odds of small-for-gestational-age (SGA) birth, preterm birth (PTB) or low birth weight (LBW) compared with general practitioner (GP) or obstetrician (OB) models of care for women of low socioeconomic position. SETTING: This population-level, retrospective cohort study used province-wide maternity, medical billing and demographic data from British Columbia, Canada. PARTICIPANTS: Our study included 57 872 pregnant women, with low socioeconomic position, who: were residents of British Columbia, Canada, carried a singleton fetus, had low to moderate medical/obstetric risk, delivered between 2005 and 2012 and received medical insurance premium assistance. PRIMARY AND SECONDARY OUTCOME MEASURES: We report rates, adjusted ORs (aOR), and 95% CIs for the primary outcome, SGA birth (