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Association of maternal socioeconomic status and race with risk of congenital heart disease: a population-based retrospective cohort study in Ontario, Canada.


ABSTRACT:

Objective

To investigate the interrelationships between maternal socioeconomic status (SES), race and congenital heart diseases (CHD) among infants.

Design

Retrospective cohort study.

Study setting

Ontario, Canada.

Study population

All singleton stillbirths and live births born in hospitals between 1 April 2012 and 31 March 2018 in Ontario, Canada (n=804 292).

Outcome

CHD.

Analysis

Multivariable logistic regression models were performed to assess associations between maternal neighbourhood household income, education level, race and CHD while adjusting for maternal age at birth, assisted reproductive technology, obesity, pre-existing health conditions, substance use during pregnancy, maternal rural residence and infant's sex.

Results

Compared with infants whose mothers lived in the highest median household income neighbourhoods, infants whose mothers lived in the lowest median income neighbourhoods had a higher likelihood of having CHD (adjusted OR 1.15, 95% CI 1.06 to 1.24). Compared with infants whose mothers lived in neighbourhoods with more people with a university or higher degree, those infants whose mothers lived in neighbourhoods with less people with a university or higher degree had a higher chance of developing CHD (adjusted OR 1.26, 95% CI 1.16 to 1.36). Compared with white mothers, black mothers had a higher odds of giving birth to a child with CHD (adjusted OR 1.40, 95% CI 1.27 to 1.54). No association was detected between White and Asian mothers and CHD among infants.

Conclusions

Our study indicates that there are inequities in CHD burden by maternal SES and race in Ontario, Canada. Further investigation is needed to examine racial variation in CHD using more detailed ethnic data.

SUBMITTER: Miao Q 

PROVIDER: S-EPMC8808396 | biostudies-literature | 2022 Feb

REPOSITORIES: biostudies-literature

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Publications

Association of maternal socioeconomic status and race with risk of congenital heart disease: a population-based retrospective cohort study in Ontario, Canada.

Miao Qun Q   Dunn Sandra S   Wen Shi Wu SW   Lougheed Jane J   Maxwell Cynthia C   Reszel Jessica J   Hafizi Kaamel K   Walker Mark M  

BMJ open 20220201 2


<h4>Objective</h4>To investigate the interrelationships between maternal socioeconomic status (SES), race and congenital heart diseases (CHD) among infants.<h4>Design</h4>Retrospective cohort study.<h4>Study setting</h4>Ontario, Canada.<h4>Study population</h4>All singleton stillbirths and live births born in hospitals between 1 April 2012 and 31 March 2018 in Ontario, Canada (n=804 292).<h4>Outcome</h4>CHD.<h4>Analysis</h4>Multivariable logistic regression models were performed to assess associ  ...[more]

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