Table 7

Odds ratio and 95% confidence interval of asthma and chronic bronchitis/emphysema (CBE) due to different nasal exposures in 20–59 yrs old subjects, calculated using multiple logistic regression analysis

AsthmaCBE
Risk factorOR95% CIOR95% CI
Tree pollen1.170.82–1.660.700.44–1.13
Grass pollen2.381.72–3.291.090.72–1.65
Animals3.772.85–5.000.900.60–1.36
Dust1.411.04–1.921.691.19–2.39
Mould2.071.50–2.871.410.96–2.07
Damp/cold air1.981.46–2.693.132.29–4.29
Dry air0.860.60–1.221.050.73–1.51
Tobacco fumes0.910.66–1.261.220.86–1.74
Strong smelling scents0.990.7–1.31.060.74–1.52
Spicy food0.960.61–1.510.830.51–1.36
Redwine0.980.61–1.591.310.79–2.15
Stress or discomfort1.981.33–2.932.481.68–3.65