A deficiency of the odds ratio as a measure of effect size

Newcombe, Robert ORCID: https://orcid.org/0000-0003-4400-8867 2006. A deficiency of the odds ratio as a measure of effect size. Statistics in Medicine 25 (24) , pp. 4235-4240. 10.1002/sim.2683

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Abstract

The odds ratio is probably the most widely used measure of association for binary variables. It has many well-recognized advantages and disadvantages vis-à-vis the risk ratio. We demonstrate that for chained or conditional probabilities, odds ratios can behave paradoxically, by failing to show a reinforcement effect that is expressed very clearly when risk ratios are used.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Schools > Medicine
Subjects:	R Medicine > R Medicine (General)
Uncontrolled Keywords:	odds ratio; risk ratio; paradox
Publisher:	John Wiley & Sons Ltd.
ISSN:	0277-6715
Date of Acceptance:	6 July 2006
Last Modified:	01 Nov 2022 10:56
URI:	https://orca.cardiff.ac.uk/id/eprint/93296

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