Young maternal age: a risk factor for childhood asthma?
Some studies indicate that children born to younger mothers are at higher risk for wheezing or asthma. I conducted a case-control study that included 457 new cases of asthma in 3- and 4-year-old children and an equal number of controls. I found that, in comparison with children of mothers 30 years of age or older, children of mothers age 26-30 years had an adjusted odd ratio (OR) of 1.16 [95% confidence interval (CI) = 0.73-1.85] of developing asthma; children of mothers between 21 and 25 years of age had an OR of 1.25 (95% CI = 0.76-2.07), and those whose mothers were 20 years of age or younger had an OR of 3.48 (95% CI = 1.08-11.22).
Infante-Rivard
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Department of Community Health, Hôpital Sainte-Justine, Montréal, Québec, Canada.
D000328:Adult; D001249:Asthma / Q000453:epidemiology*; D016022:Case-Control Studies; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008423:Maternal Age; D016017:Odds Ratio; D012307:Risk Factors; D012959:Socioeconomic Factors