Income disparities in life expectancy in the City of Toronto and Region of Peel, Ontario

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Abstract

Introduction: To understand the lack of a gradient in mortality by neighbourhood income in a previous study, we used individual-level data from the 1991-2001 Canadian census mortality follow-up study to examine income-related disparities in life expectancy and probability of survival to age 75 years in the City of Toronto and Region of Peel. Methods: We calculated period life tables for each sex and income adequacy quintile, overall and separately for immigrants and non-immigrants. Results: For all cohort members of both sexes, including both immigrants and non-immigrants, there was a clear gradient across the income quintiles, with higher life expectancy in each successively richer quintile. However, the disparities by income were much greater when the analysis was restricted to non-immigrants. The lesser gradient for immigrants appeared to reflect the higher proportion of recent immigrants in the lower income quintiles. Conclusion: These findings highlight the importance of using individual-level ascertainment of income whenever possible, and of including immigrant status and period of immigration in assessments of health outcomes, especially for areas with a high proportion of immigrants.

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APA

Stratton, J., Mowat, D. L., Wilkins, R., & Tjepkema, M. (2012). Income disparities in life expectancy in the City of Toronto and Region of Peel, Ontario. Chronic Diseases and Injuries in Canada, 32(4), 208–215. https://doi.org/10.24095/hpcdp.32.4.05

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