Table 3

Adjusted odds ratios (OR) and 95% confidence intervals (CI) for having a positive adrenaline-Pirquet tuberculin test (⩾4 mm) in young Norwegian adults based on multiple logistic regression analysis

No. OR 95% CI
Total serum IgE tertiles
 Lower (<14 kU/l)1891
 Middle (14–61 kU/l)1921.00.7 to 1.6
 Upper (>61 kU/l)1931.10.7 to 1.8
Any of the specific IgE antibodies (⩾0.35 kU/l)
 No4101
 Yes1641.30.8 to 1.9
Sex
 Women2831
 Men2911.30.9 to 2.0
Age (years)
 20–292281
 30–392372.41.7 to 3.6
 40–441094.62.6 to 7.7
Smoking
 Non-smoker2331
 Ex-smoker 881.20.7 to 2.1
 Smoker2531.51.1 to 2.3
Occupational dust or gas exposure
 No3131
 Yes2611.20.8 to 1.8
  • All variables in the table were included simultaneously in the logistic regression model.