American Journal of Epidemiology Advance Access published online on April 12, 2007
American Journal of Epidemiology, doi:10.1093/aje/kwm077
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American Journal of Epidemiology Copyright © 2007 by the Johns Hopkins Bloomberg School of Public Health All rights reserved; printed in U.S.A.
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Tyas et al. Respond to "Predictors of Rate of Change in Disease Progression"
1 Department of Health Studies and Gerontology, University of Waterloo, Waterloo, Ontario, Canada
2 Division of Behavioural Neuroscience, Department of Psychology, University of Waterloo, Waterloo, Ontario, Canada
3 School of Statistics, National University of Colombia at Medellín, Medellín, Colombia
4 Department of Neurology, University of Kentucky, Lexington, KY
5 Sanders-Brown Center on Aging, University of Kentucky, Lexington, KY
6 Department of Preventive Medicine and Environmental Health, University of Kentucky, Lexington, KY
7 Department of Biostatistics, University of Kentucky, Lexington, KY
8 Department of Statistics, University of Kentucky, Lexington, KY
Received for publication January 31, 2007. Accepted for publication February 8, 2007.
| The first 10% of the full text of this article appears below. |
In her commentary (1), Dr. Glymour describes four phenomena leading to a spurious association between risk factors for disease onset and the rate of disease progression.