Intended for healthcare professionals


Study on environmental hazards is flawed

BMJ 2000; 320 doi: (Published 06 May 2000) Cite this as: BMJ 2000;320:1274
  1. Suzanne Moffatt, lecturer in social epidemiology (,
  2. Raj Bhopal, Bruce and John Usher professor of public health
  1. Department of Epidemiology and Public Health, School of Health Sciences, University of Newcastle, Newcastle upon Tyne NE2 4HH
  2. Department of Public Health Sciences, Medical School, Edinburgh EH8 9AG

    EDITOR—Studies examining the impact on health of environmental hazards pose particular challenges to reaching judgments about cause and effect. We have several concerns about McCarron et al's study of the health of people living in an area contaminated by chromium waste.1

    Firstly, the authors justify their use of the SF-36 validated quality of life questionnaire only by saying that it is a validated quality of life questionnaire. The SF-36 was “developed as an outcome measure to detect changes in health …

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