Letter

Reanalysis of Gulf war vaccination data does not contradict findings

BMJ 2000; 321 doi: 10.1136/bmj.321.7263.761 (Published 23 September 2000)
Cite this as: BMJ 2000;321:761

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  1. Matthew Hotopf, senior lecturer (spjumhh@iop.kcl.ac.uk)
  1. Department of Psychological Medicine, Guy's, King's College, and St Thomas's School of Medicine, King's College London, London SE5 8AZ

    EDITOR—Professors Graham Dunn and Brian Everitt have pointed out to us in a personal communication that a different statistical method would have been more appropriate in our paper on the effects of multiple vaccines on the health of Gulf war veterans.1 In that paper we assessed the effect of multiple vaccines received either before or during deployment to the Gulf as two separate exposures. We found that vaccines received before deployment were not associated with most of the outcome …

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