Table 4.
Model 1 | Model 2 | |||
---|---|---|---|---|
β | P | β | P | |
Previous domestic ETS (age 4) | 0.36 | 0.015 | 0.34 | 0.032 |
Current domestic ETS (age 7) | −0.74 | <0.001 | −0.69 | 0.001 |
Total IgE (log-transformed) | 0.17 | <0.001 | - | |
Seroatopyb | - | 0.34 | 0.017 |
Linear regression models with log-transformed FeNO as the dependent variable and the independent variables sex, maternal asthma, previous domestic environmental tobacco smoke (ETS), current domestic ETS, ambient NO and either log-transformed total IgE (model 1) or seroatopy (model 2).
Seroatopy was defined as specific IgE ≥0.35 IU/ml to at least one of the allergens tested (Dermatophagoides farinae, German cockroach, mouse, and cat)