Current asthma | ||||
---|---|---|---|---|
Allergen | Mild (n=564) | Moderate (n=333) | Severe (n=235) | P value |
Timothy grass | ||||
% sensitised | 40.3 | 39.6 | 46.4 | 0.22 |
Unadjusted odds ratio | 1 | 0.98 (0.74 to 1.29) | 1.28 (0.95 to 1.75) | 0.22 |
Multivariate adjusted odds ratio* | 1 | 0.97 (0.72 to 1.73) | 1.22 (0.89 to 1.70) | 0.31 |
Birch | ||||
% sensitised | 19.0 | 20.4 | 19.2 | 0.81 |
Unadjusted odds ratio | 1 | 1.10 (0.78 to 1.54) | 1.01 (0.69 to 1.49) | 0.81 |
Multivariate adjusted odds ratio* | 1 | 1.07 (0.74 to 1.54) | 1.09 (0.72 to 1.65) | 0.56 |
Any pollen (timothy grass, birch, olive, Parietaria judaica, or common ragweed) | ||||
% sensitised | 47.0 | 48.7 | 52.8 | 0.17 |
Unadjusted odds ratio | 1 | 1.07 (0.82 to 1.40) | 1.26 (0.93 to 1.71) | 0.17 |
Multivariate adjusted odds ratio* | 1 | 1.08 (0.81 to 1.43) | 1.26 (0.91 to 1.76) | 0.14 |
↵* Adjusted for age, sex, smoking, passive smoking, parental history of asthma, and region.