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PDFTheory and methods
Categorical versus continuous risk factors and the calculation of potential impact fractions
- Correspondence to Dr Jan J Barendregt, School of Population Health, University of Queensland, Herston Road, Herston 4006, Australia; j.barendregt{at}sph.uq.edu.au
Citation
Categorical versus continuous risk factors and the calculation of potential impact fractions
Publication history
- Accepted June 17, 2009
- First published August 19, 2009.
Online issue publication
March 04, 2010
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© 2009, Published by the BMJ Publishing Group Limited For permission to use, (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions.