Male subjects | 5.6 (−3.1 to 13.9) | 0.8 (−3.7 to 5.2) | 30.6 (14.2 to 47.0)‡ | 9.9 (−2.8 to 22.6)¶ |
Female subjects | −1.0 (−11.6 to 9.6) | na | 6.2 (−16.3 to 28.8) | 0.3 (−9.2 to 9.8) |
No environmental tobacco smoke at home | 3.6 (−3.3 to 10.4) | −0.4 (−5.2 to 4.4) | 20.2 (6.9 to 33.6)§ | 5.3 (−2.5 to 13.1)¶ |
Ex-smokers | 4.5 (−2.5 to 11.4) | −1.7 (−6.6 to 3.2) | 30.6 (14.1 to 47.1)‡ | 8.8 (−5.1 to 22.7)** |
Never smokers | na† | 7.6 (−2.3 to 17.5) | 6.8 (−15.6 to 29.3) | 7.5 (−1.4 to 16.4) |
Subjects with chronic respiratory disorder* | 6.4 (−4.2 to 17.1) | −2.1 (−9.9 to 5.8) | 27.9 (11.9 to 43.9)‡ | 8.9 (−4.2 to 22.0)** |
Asthma | na | na | 29.4 (−12.6 to 71.4) | na |