Letters

Moving house unlikely to pose substantial risk of childhood asthma

BMJ 1996; 312 doi: https://doi.org/10.1136/bmj.312.7026.315a (Published 03 February 1996) Cite this as: BMJ 1996;312:315
  1. David P Strachan,
  2. Barbara K Butland,
  3. Iain M Carey,
  4. H Ross Anderson
  1. Senior lecturer in epidemiology Lecturer in medical statistics Statistician Professor of epidemiology and public health Department of Public Health Sciences, St George's Hospital Medical School, London SW17 ORE

    EDITOR,—C H Hughes and J H Baumer report a remarkably strong association between childhood asthma and number of household moves in their general practice population and suggest that this relation needs to be studied elsewhere.1 Although their paper focuses on the number of moves before the onset of the disease, the proportion of children being treated for asthma who had moved house at any age differed substantially from the corresponding proportion of controls (86% v 36%, odds ratio=11.1 by unmatched analysis). We have analysed in a similar manner the relation …

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