Article available from: www.scielo.br/rsp Persisting problems related to race and ethnicity in public health and epidemiology research Problemas persistentes relacionados à raça e etnia na pesquisa em saúde pública e epidemiologia ABSTRACT A recent and comprehensive review of the use of race and ethnicity in research that address health disparities in epidemiology and public health is provided. First it is described the theoretical basis upon which race and ethnicity differ drawing from previous work in anthropology, social science and public health. Second, it is presented a review of 280 articles published in high impacts factor journals in regards to public health and epidemiology from 2009-2011. An analytical grid enabled the examination of conceptual, theoretical and methodological questions related to the use of both concepts. The majority of articles reviewed were grounded in a theoretical framework and provided interpretations from various models. However, key problems identifi ed include a) a failure from researchers to differentiate between the concepts of race and ethnicity; b) an inappropriate use of racial categories to ascribe ethnicity; c) a lack of transparency in the methods used to assess both concepts; and d) failure to address limits associated with the construction of racial or ethnic taxonomies and their use. In conclusion, future studies examining health disparities should clearly establish the distinction between race and ethnicity, develop theoretically driven research and address specifi c questions about the relationships between race, ethnicity and health. One argue that one way to think about ethnicity, race and health is to dichotomize research into two sets of questions about the relationship between human diversity and health. A universal epidemiological fact is that health and disease are unevenly distributed across groups of populations, regardless of the way these are characterized either on the basis of race, ethnicity, nationality, religious affi liation, socioeconomic level, gender, and so on. Racial and ethnic disparities are reported in the United States for virtually all physical and mental health conditions, health-related risk factors, as well as in the use and quality of health care services. 19 The real public health challenge is to explain how and why these disparities exist in order to properly inform policies and the development of programs aimed at reducing them.
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31,50The methods of classifying groups of populations have a direct impact on the ways health disparities are examined and interpreted. The theory and methods used to study racial and ethnic disparities have been the subject of important criticisms over the last decades in regards to public health and epidemiology. 5,6,10,13,14,16,22,27,28,30,35,38 Four comprehensive reviews have examined the use of race and ethnicity concepts in the fi elds of epidemiology and public health research. 1,12,25,56 These reviews revealed several key problems including: a) a failure from researchers to differenti...