TABLE 4.

Crude Prevalence and Adjusted OR for Attempts to Quit Smoking Among Daily Smokers With and Without Asthma and Stratified According to Gender*

Daily Smokers
AllGirlsBoys
AsthmaControlsAsthmaControlsAsthmaControls
n355336225521821001180
Prevalence (%)686468666759
OR (95% CI)1.26(0.99–1.60)1.18(0.89–1.58)1.44(0.93–2.23)
  • * We adjusted in both logistic regression analysis and multiple linear regressions for gender, age (1-year categories), family type, parents’ smoking pattern and job, BMI, and exercise habits categorized as shown in Table 1. The test for asthma-gender interaction was not statistically significant. Information on attempts to quit smoking was missing for 2 pupils with asthma and 6 pupils without asthma.