Document Detail


Widening inequality in extreme macrosomia between Indigenous and non-Indigenous populations of Québec, Canada.
MedLine Citation:
PMID:  23379807     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Objective : To evaluate trends in macrosomia by severity in Indigenous vs. non-Indigenous populations of Québec, Canada. Methods: We used a retrospective cohort of 2,298,332 singleton live births in the province of Québec, 1981-2008. Indigenous births were identified by community of residence (First Nations, Inuit, non-Indigenous) and language spoken (First Nations, Inuit, French/English). High birth weight (HBW) and large-for-gestational-age (LGA) births were categorised by severity (moderate, very, extreme). Time trends in HBW and LGA, by severity, were estimated using odds ratios (OR) and rate differences for Indigenous vs. non-Indigenous births, adjusting for maternal characteristics. Results: Relative to non-Indigenous, First Nations (but not Inuit) had higher rates of extreme HBW (1.3% vs. 0.1%) and extreme LGA birth (12.6% vs. 2.2%), and rates increased over time. First Nations had progressively elevated ORs with greater severity of macrosomia, and associations were strongest for extreme HBW >5,000 g (OR=12.4) and LGA >97th percentile (OR=7.2). Conclusion: Inequalities in extreme macrosomia between First Nations and non-Indigenous Quebecers are pronounced and widened between 1981 and 2008. Implications: Studies are needed to determine why macrosomia rates are increasing in Québec's First Nations, and how they compare with Indigenous sub-groups of demographically similar countries, including Australia and New Zealand.
Authors:
Nathalie Auger; Alison L Park; Hamado Zoungrana; Mélanie Fon Sing; Ernest Lo; Zhong-Cheng Luo
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Publication Detail:
Type:  JOURNAL ARTICLE    
Journal Detail:
Title:  Australian and New Zealand journal of public health     Volume:  37     ISSN:  1753-6405     ISO Abbreviation:  Aust N Z J Public Health     Publication Date:  2013 Feb 
Date Detail:
Created Date:  2013-2-5     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9611095     Medline TA:  Aust N Z J Public Health     Country:  -    
Other Details:
Languages:  ENG     Pagination:  58-62     Citation Subset:  -    
Copyright Information:
© 2013 The Authors. ANZJPH © 2013 Public Health Association of Australia.
Affiliation:
Institut national de santé publique du Québec, Canada; Research Center of the University of Montréal Hospital Centre, Québec, Canada Nunavik Regional Board of Health and Social Services, Kuujjuaq, Canada Department of Public Health and Epidemiology, University of Pierre and Marie Curie, France Institut national de santé publique du Québec, Canada Department of Obstetrics and Gynecology, University of Montréal, Sainte-Justine Hospital, Québec, Canada.
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