Race and ethnicity in genetic research

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Abstract
Use of race and ethnicity terms in genetic research continues to generate controversy. Despite differing opinions about their basis or relevance, there is some agreement that investigators using these terms should: explain why the terms or categories were used, define them carefully, and apply them consistently. An important question is whether these recommendations are reflected in practice. Here we addressed this question based on 330 randomly selected articles published between 2001 and 2004 that reported on genetic research and used one or more words from a defined list of race, ethnicity, or population terms. The recommendation that authors using race or ethnicity terms explain the basis for assigning them to study populations was met infrequently (9.1%), and articles that used race and ethnicity as variables were no more likely than those that used them only to label a sample to provide these details. No article defined or discussed the concepts of race or ethnicity. With limited exceptions, current practice does not reflect repeated recommendations for using race or ethnicity terms in genetic research. This study provides a baseline against which to measure future trends.