Sex [female] §
|
1257 (48.9) |
Family socioeconomic status § |
|
Low or medium
|
1889 (73.9)
|
High
|
667 (26.1)
|
Maternal smoking during pregnancy §
|
|
Yes
|
364 (14.2)
|
No
|
2199 (85.8)
|
Second-hand smoke exposure during pregnancy § |
|
Yes
|
101 (5.11)
|
No
|
1874 (94.9)
|
Allergic rhinitis up to 6 years of age |
165 (6.4) |
Mean age at the onset
|
5.7 (0.97)
|
Allergic rhinitis up to 12 years of age |
473 (18.4) |
Mean age at the onset |
9.8 (3.1) |
Allergic rhinitis up to 27 years of age |
668 (26.0) |
Mean age at the onset
|
14.7 (7.8)
|