Cases | Controls | ||||
---|---|---|---|---|---|
n = 43b | n = 46b | pa | |||
Male gender (n; %) | 27 | 62.8 | 34 | 73.9 | 0.361 |
Age (months) (median, IQR) | 30 | (20–60) | 35 | (18–52) | 0.767 |
Older sibling (n; %) | 18 | 41.9 | 23 | 50.0 | 0.441 |
Younger sibling (n; %) | 4 | 9.3 | 8 | 17.4 | 0.356 |
Full breast-feeding (4 month) (n; %) | 33 | 76.7 | 32 | 69.6 | 0.482 |
Weaning (age in months) (mean; SD) | 5.6 | 1.0 | 5.4 | 1.5 | 0.136 |
Caucasian (n; %) | 32 | 74.4 | 36 | 78.3 | 0.670 |
Passive smoke (n; %) | 9 | 20.9 | 7 | 15.2 | 0.585 |
Cough outside cold (n; %) | 27 | 63 | 27 | 59 | 0.859 |
Sleep disorders (n; %) | 37 | 86 | 37 | 80 | 0.576 |
Emergency events (n; %) | 22 | 51 | 24 | 52 | 1.000 |
Hospitalization (n; %) | 6 | 14 | 9 | 20 | 0.576 |
Missed school-days (n; %) | 35 | 81 | 38 | 83 | 1.000 |
Responder (n, %) | |||||
Mother | 26 | 60 | 31 | 67 | 0.6729 |
Father | 6 | 14 | 7 | 15 | |
Both | 11 | 26 | 8 | 17 |