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Health Rep. 2007 Nov;18(4):21-30.

Birth outcomes by neighbourhood income and recent immigration in Toronto.

Author information

  • 1Department of Public Health Sciences, University of Toronto. marcelo.urquia@utoronto.ca

Abstract

OBJECTIVES:

This article examines differences in birth outcomes by neighbourhood income and recent immigration for singleton live births in Toronto, Ontario.

DATA SOURCES:

The birth data were extracted from hospital discharge abstracts compiled by the Canadian Institute for Health Information.

ANALYTICAL TECHNIQUES:

A population-based cross-sectional study of 143,030 singleton live births to mothers residing in Toronto, Ontario from 1 April 1996 through 31 March 2001 was conducted. Neighbourhood income quintiles of births were constructed after ranking census tracts according to the proportion of their population below Statistics Canada's low-income cutoffs. Logistic regression was used to estimate odds ratios for the effects of neighbourhood income quintile and recent immigration on preterm birth, low birthweight and full-term low birthweight, adjusted for infant sex and maternal age.

MAIN RESULTS:

Low neighbourhood income was associated with a moderately higher risk of preterm birth, low birthweight, and full-term low birthweight. The neighbourhood income gradient was less pronounced among recent immigrants compared with longer-term residents. Recent immigration was associated with a lower risk of preterm birth, but a higher risk of low birthweight and full-term low birthweight.

PMID:
18074994
[PubMed - indexed for MEDLINE]
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