Social inequalities in uptake of immunisationBMJ 1994; 309 doi: https://doi.org/10.1136/bmj.309.6947.126c (Published 09 July 1994) Cite this as: BMJ 1994;309:126
Use of odd ratio is inappropriate
- Chris Foy,
- Raj Bhopal
- Senior research associate Professor Department of Epidemiology and Public Health, School of Health Care Sciences, The Medical School, University of Newcastle, Newcastle upon Tyne NE2 2HH.
EDITOR,—Richard Reading and colleagues conclude from their study of the uptake of childhood immunisations in Northumberland that inequalities in uptake are increasing.1 This conclusion is not supported by their data. The authors debate whether the difference in uptake between the highest and lowest groups or the ratio of the odds of being immunised between two groups is the correct index of inequality to use. They state, “However, …