Max Rady College of Medicine

Term: Income Quintiles / Income Quintile

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Glossary Definition

Last Updated: 2013-10-04

Definition:

A grouping of the population by average household income. Income quintiles are first divided into two population categories: urban (Winnipeg and Brandon) and rural (all other Manitoba areas), and then into five groups (quintiles) within each population category, with approximately 20% of the population in each group. The groups are ordered from lowest to highest income. As a result of this process, the income range within each quintile may not be equal across quintiles. Income quintiles are often used as a proxy measure of socio-economic status.

The quintiles are based on dissemination area (DA)-level average household income values from public-use census files. Each person within a DA is "attributed" the average household income of the DA, so this is an area-level income measure, not an individual level income measure.

Individuals whose postal code does not link with a DA, whose DA has a suppressed average household income, who live in DA where 90% or more of the population is institutionalized (e.g., PCH, prison), or whose address is attributed to the Public Trustee Office or Child and Family Services (CFS) cannot not be assigned to an income quintile. These are classified and referred to as "Income Not Found" or "Income Unknown".

For the most recent, more detailed information about income quintiles, please see the Income Quintiles - Child Health Income Quintiles concept.

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  • Lix L, Smith M, Pitz M, Ahmed R, Quon H, Griffith J, Turner D, Hong S, Prior H, Banerjee A, Koseva I, Kulbaba C. Cancer Data Linkage in Manitoba: Expanding the Infrastructure for Research. Winnipeg, MB: Manitoba Centre for Health Policy, 2016. [Report] [Summary] (View)
  • Lix LM, Singh H, Derksen S, Sirski M, McCulloch S. Gastrointestinal Endoscopy (GIE) Utilization in Manitoba. Winnipeg, MB: Manitoba Centre for Health Policy, 2021. [Report] [Additional Materials] (View)
  • Martens P, Brownell M, Au W, MacWiliam L, Prior H, Schultz J, Guenette W, Elliott L, Buchan S, Anderson M, Caetano P, Metge C, Santos R, Serwonka K. Health Inequities in Manitoba: Is the Socioeconomic Gap in Health Widening or Narrowing Over Time? Winnipeg, MB: Manitoba Centre for Health Policy, 2010. [Report] [Summary] [Updates and Errata] [Additional Materials] (View)
  • Martens PJ, Derksen S, Mayer T, Walld R. Being born in Manitoba: a look at perinatal health issues. Can J Public Health 2002;93 Suppl 2(2 Suppl):S33-S38. [Abstract] (View)
  • Martens PJ, Fransoo R, McKeen N, The Need to Know Team, Burland E, Jebamani L, Burchill C, De Coster C, Ekuma O, Prior H, Chateau D, Robinson R, Metge C. Patterns of Regional Mental Illness Disorder Diagnoses and Service Use in Manitoba: A Population-Based Study. Winnipeg, MB: Manitoba Centre for Health Policy, 2004. [Report] [Summary] [Additional Materials] (View)
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  • Metge C, Kozyrskyj A, Dahl M, Yogendran M, Roos NP. Pharmaceuticals: Focussing on Appropriate Utilization. Winnipeg, MB: Manitoba Centre for Health Policy, 2003. [Report] [Summary] (View)
  • Mustard CA, Derksen S, Kozyrskyj A. A Description of the Use of Insured Health Care Services by Income Assistance Recipients in the Province of Manitoba: A Pilot Study. Recipients of Income Assistance for Mental Health Disability. Winnipeg, MB: Manitoba Centre for Health Policy and Evaluation, 2000. [Report] [Summary] (View)
  • Mustard CA. The Utilization of Prenatal Care and Relationship to Birthweight Outcome in Winnipeg, 1987-88 (Report #93-01). Winnipeg, MB: Manitoba Centre for Health Policy and Evaluation, 1993. [Report] (View)
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  • Roos NP, Shapiro E. Using the information system to assess change: The impact of downsizing the acute sector. Med Care 1995;33(12 Suppl):D5109-D5126.(View)
  • Ruth C, Brownell M, Isbister J, MacWilliam L, Gammon H, Singal D, Soodeen R, McGowan K, Kulbaba C, Boriskewich E. Long-Term Outcomes Of Manitoba's Insight Mentoring Program: A Comparative Statistical Analysis . Winnipeg, MB: Manitoba Centre for Health Policy, 2015. [Report] [Summary] [Additional Materials] (View)
  • Santos R, Brownell M, Ekuma O, Mayer T, Soodeen R-A. The Early Development Instrument (EDI) in Manitoba: Linking Socioeconomic Adversity and Biological Vulnerability at Birth to Children's Outcomes at Age 5. Winnipeg, MB: Manitoba Centre for Health Policy, 2012. [Report] [Summary] (View)
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