American Journal of Epidemiology Advance Access originally published online on July 13, 2005
American Journal of Epidemiology 2005 162(4):395; doi:10.1093/aje/kwi232
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American Journal of Epidemiology Copyright © 2005 by the Johns Hopkins Bloomberg School of Public Health All rights reserved
LETTERS TO THE EDITOR |
THE AUTHORS REPLY
1 Biostatistics Unit, Centre for Epidemiology and Biostatistics, University of Leeds, Leeds LS2 9LN, United Kingdom
2 Leeds Dental Institute, University of Leeds, Leeds LS2 9LU, United Kingdom
3 St. George's Hospital Medical School, University of London, London SW17 0RE, United Kingdom
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Professor Cole's letter (1
) confirms our findings (2
) and offers an elegant algebraic proof. Together with our simulations, and the slightly different approach we adopted in a similar proof published in the Appendix of our original article (2
, p. 32), we hope that the issues