Research R acial and ethnic disparities in the use of health services and in health outcomes have been extensively studied and well documented in the United States and the United Kingdom. Studies from both countries reveal that black, Hispanic and Asian people are less likely to access health care and experience more barriers than people who are not visibly members of ethnic minorities -that is, white people.1-7 The factors underlying ethnic disparities in health service usage are complex and could include such variables as health insurance coverage, physicians' attitudes toward minority patients, language, poverty, transportation, education, familiarity with the health care delivery system, and the degree and kind of family support.
3,6-17The evidence from the United States and the United Kingdom cannot automatically be generalized to Canada, and there is a need for rigorous study of Canadian ethnic populations and their use of health services. The first reason is that much of the US and UK literature on this topic is broadly categorized into "black" and "Hispanic" populations. The United States, the United Kingdom and Canada have different racial and ethnic population compositions because of historical factors. The legacy of slavery in the United States and of colonization in the United Kingdom have led to a higher proportion of persons identified as black. In contrast, Canada has many Asian people in its ethnic make-up, because in recent years a large proportion of immigrants to Canada have come from Asia (59%), with a small proportion from Central and South America and the Caribbean (11%) and Africa (8%).18 At present, the 3 largest visible minority groups in Canada are Chinese (mainly from Hong Kong, Taiwan and mainland China), South Asian (from Asian India, Pakistan, Bangladesh and Sri Lanka) and black people.The second reason is that culture, health status and sociodemographic characteristics even in the same racial or ethnic population may differ between Canada and the United States or the United Kingdom. In recent years, Canada has selected immigrants with high education, strong technical skills and correspondingly favourable health status, with only a relatively small number of immigrants arriving as refugees; US and UK ethnic minorities may differ in those respects. The third reason is that the Canadian health system differs fundamentally from the US health system, and somewhat from the parallel public and private systems of the United Kingdom. Interpretation: : Use of health services in Canada varies considerably by ethnicity according to type of service. Although there is no evidence that members of visible minorities use general physician and specialist services less often than white people, their utilization of hospital and cancer screening services is significantly less. CMAJ 2006;174(6):787-91
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