Trajectories of health-related quality of life by socio-economic status in a nationally representative Canadian cohort

Nancy A. Ross, Rochelle Garner, David Bernier, H. Feeny, Mark S. Kaplan, Bentson McFarland, Heather M. Orpana, Jillian Oderkirk

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14 Citations (Scopus)

Abstract

Background Mortality and morbidity have been shown to follow a 'social gradient' in Canada and many other countries around the world. Comparatively little, however, is known about whether ageing amplifies, diminishes or sustains socio-economic inequalities in health. Methods Growth curve analysis of seven cycles of the Canadian National Population Health Survey (n1/413 682) for adults aged 20 and older at baseline (1994/95). The outcome of interest is the Health Utilities Index Mark 3, a measure of health-related quality of life (HRQL). Models include the deceased so as not to present overly optimistic HRQL values. Socio-economic position is measured separately by household-size-adjusted income and highest level of education attained. Results HRQL is consistently highest for the most affluent and the most highly educated men and women, and is lower, in turn, for middle and lower income and education groups. HRQL declines with age for both men and women. The rate of the decline in HRQL, however, was related neither to income nor to education for men, suggesting stability in the social gradient in HRQL over time for men. There was a sharper decline in HRQL for upper-middle and highest-income groups for women than for the poorest women. Conclusion HRQL is graded by both income and education in Canadian men and women. The grading of HRQL by social position appears to be 'set' in early adulthood and is stable through mid- and later life.

Original languageEnglish (US)
Pages (from-to)593-598
Number of pages6
JournalJournal of Epidemiology and Community Health
Volume66
Issue number7
DOIs
StatePublished - Jul 2012

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Economics
Quality of Life
Education
Health
Health Surveys
Canada
Morbidity
Mortality
Growth
Population

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health
  • Epidemiology

Cite this

Trajectories of health-related quality of life by socio-economic status in a nationally representative Canadian cohort. / Ross, Nancy A.; Garner, Rochelle; Bernier, David; Feeny, H.; Kaplan, Mark S.; McFarland, Bentson; Orpana, Heather M.; Oderkirk, Jillian.

In: Journal of Epidemiology and Community Health, Vol. 66, No. 7, 07.2012, p. 593-598.

Research output: Contribution to journalArticle

Ross, NA, Garner, R, Bernier, D, Feeny, H, Kaplan, MS, McFarland, B, Orpana, HM & Oderkirk, J 2012, 'Trajectories of health-related quality of life by socio-economic status in a nationally representative Canadian cohort', Journal of Epidemiology and Community Health, vol. 66, no. 7, pp. 593-598. https://doi.org/10.1136/jech.2010.115378
Ross, Nancy A. ; Garner, Rochelle ; Bernier, David ; Feeny, H. ; Kaplan, Mark S. ; McFarland, Bentson ; Orpana, Heather M. ; Oderkirk, Jillian. / Trajectories of health-related quality of life by socio-economic status in a nationally representative Canadian cohort. In: Journal of Epidemiology and Community Health. 2012 ; Vol. 66, No. 7. pp. 593-598.
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