Résumé :
|
[BDSP. Notice produite par INIST 1M6kcR0x. Diffusion soumise à autorisation]. The role of maternal smoking as a causal factor for the incidence of childhood asthma is still not clearly established. It was investigated among 3-and 4-year-old-child incident cases confirmed by a 6-year follow-up (n=294) and cases who no longer had symptoms after diagnosis (n=110). The study took place in Montréal, Canada, between 1988 and 1997. Persistent and transient cases were compared with their respective controls from the original case-control study of incidence. The odds ratio for heavy maternal smoking adjusted for known risk factors for asthma was 3.84 (95% confidence interval : 1.68,8.76) among persistent cases and close to one among transient cases.
|