American Journal of Epidemiology Advance Access originally published online on February 5, 2008
American Journal of Epidemiology 2008 167(4):503-504; doi:10.1093/aje/kwm388
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American Journal of Epidemiology © The Author 2007. Published by the Johns Hopkins Bloomberg School of Public Health. All rights reserved. For permissions, please e-mail: journals.permissions@oxfordjournals.org.
LETTERS TO THE EDITOR |
THE AUTHORS REPLY
1 National Institute of Public Health and the Environment, 3720 BA Bilthoven, the Netherlands
2 Association for Cardiac Research, Rome 00198, Italy
3 Department of Preventive Medicine and Nutrition Clinic, Medical School, University of Crete, 71409 Heraklion, Crete, Greece
4 Department of Health Promotion and Chronic Disease Prevention, National Public Health Institute, FI-00300 Helsinki, Finland
5 Institute for Cardiovascular Diseases, Clinical Center of Serbia, YU-11000 Belgrade, Serbia-Montenegro
6 Department of Human Nutrition, Wageningen University, 6700 EV Wageningen, the Netherlands
(e-mail: hendriek.boshuizen@rivm.nl)
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We thank Bartlett et al. (1) for their interest in our paper (2). We agree with them that keeping the assumptions behind models in mind is essential in interpreting the results. Bartlett et al. are concerned about our assumption that measurement error (
in our formulae) was nondifferential with regard to the outcome. We do not share this concern, as we do not see how the