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Interviewer Effects in a Cohort Study: Results from the Massachusetts Women's Health Study

Published in Women's Health Weekly, October 20th, 1997

According to the authors' abstract of an article published in American Journal of Epidemiology, "Although interviewer error is widely recognized as an important source of variation in epidemiologic investigations, scant published information exists documenting the impact of interviewer Variation on study findings. Using data from the Massachusetts Women's Health Study, a population-based cohort study of 2,569 middle-aged women (1982-1987), the authors evaluated interviewer variation in responses to different types of questions, and assessed the impact of interviewer variation on inferences derived from study data. Respondent sociodemographic and lifestyle characteristics were similar for...

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