Letter

Reduced risk of wheezing in children using feather pillows is confirmed

BMJ 1997; 314 doi: 10.1136/bmj.314.7079.518 (Published 15 February 1997)
Cite this as: BMJ 1997;314:518.1

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  1. David Strachan, Reader in epidemiologya,
  2. Iain M Carey, Statisticiana
  1. a Department of Public Health Sciences, St George's Hospital Medical School, London SW17 0RE

    Editor—T J Kemp and colleagues' study of levels of mite allergen in pillows1 was prompted by the unexpected findings of our case-control study in which feather pillows were associated with a reduced risk of severe childhood asthma.2 The cases and controls in our analysis were drawn from a larger survey, and a different subsample of the survey respondents underwent skin prick testing with extracts of Der p I, mixed grass pollen, and cat fur, as described elsewhere.3 The subsample included groups at high and low risk …

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