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Research has shown that adolescents with asthma are as likely as and sometimes even more likely to smoke than their peers without asthma. The current study examined whether the prevalence of the first active smoking experience differs for children (9-12 years of age) diagnosed with asthma compared with children who do not have asthma. The association between asthma and smoking was evaluated with logistic regression analysis, controlling for socio-economic status, parental smoking and child's internalizing and externalizing behaviours.

Early smoking in school-aged children with and without a diagnosis of asthma