Reduced prevalence of small-for-gestational-age and preterm birth for women of low socioeconomic position: a population-based cohort study comparing antenatal midwifery and physician models of care.
BMJ Open
; 8(10): e022220, 2018 10 03.
Article
in En
| MEDLINE
| ID: mdl-30282682
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 OUTCOMEMEASURES:
We report rates, adjusted ORs (aOR), and 95% CIs for the primary outcome, SGA birth (RESULTS:
Our sample included 4705 midwifery patients, 45 114 GP patients and 8053 OB patients. Odds of SGA birth were reduced for patients receiving antenatal midwifery versus GP (aOR 0.71, 95% CI 0.62 to 0.82) or OB care (aOR 0.59, 95% CI 0.50 to 0.69). Odds of PTB were lower for antenatal midwifery versus GP (aOR 0.74, 95% CI 0.63 to 0.86) or OB patients (aOR 0.53, 95% CI 0.45 to 0.62). Odds of LBW were reduced for midwifery versus GP (aOR 0.66, 95% CI 0.53 to 0.82) or OB patients (aOR 0.43, 95% CI 0.34 to 0.54).CONCLUSION:
Antenatal midwifery care in British Columbia, Canada, was associated with lower odds of SGA birth, PTB and LBW, for women of low socioeconomic position, compared with physician models of care. Results support the development of policy to ensure antenatal midwifery care is available and accessible for women of low socioeconomic position. Future research is needed to determine the underlying mechanisms linking midwifery care to better birth outcomes for women of low socioeconomic position.Key words
Full text:
1
Database:
MEDLINE
Main subject:
Prenatal Care
/
Socioeconomic Factors
/
Infant, Small for Gestational Age
/
Pregnancy Outcome
/
Premature Birth
/
Midwifery
Type of study:
Etiology_studies
/
Observational_studies
/
Prevalence_studies
/
Prognostic_studies
/
Risk_factors_studies
Country/Region as subject:
America do norte
Language:
En
Journal:
BMJ Open
Year:
2018
Type:
Article
Affiliation country:
Canada