Erratum

The following errors appeared in the paper by Anderson HR, Cook DG. “Health effects of passive smoking. 2. Passive smoking and sudden infant death syndrome: review of the epidemiological evidence”,Thorax 1997;52:1003–1009.

In table 1, (i) the study by Bulterys et al ³⁰ is a duplicate of that by Krauset al ²⁷ and should be deleted; (ii) the odds ratio for maternal prenatal smoking in the study by Malloy et al ³⁶ should have read 2.35 (not 3.25). To take account of the removal of the study by Bulterys and two minor errors table 2 has been updated below.

The paper by Strachan DP and Cook DG. “Health effects of passive smoking. 5. Parental smoking and allergic sensitisation in children”, Thorax1998;53:117−123, cited as reference 14 an abstract, which has subsequently been pub-lished in full as Ownby DR, Johnson CC, Peterson EL. “Maternal smoking does not influence cord serum IgE or IgD concentrations”,J Allergy Clin Immunol1991;88:555−560. The authors apologise for this oversight which does not affect the results or conclusions of the review.