Characteristics of children in study group (n = 652)
| Parameter | n (%) |
|---|---|
| Mean age, years | 10.7 ± 3.2 (range 6–17) |
| Sex | |
| Male | 387 (59.4) |
| Female | 265 (40.6) |
| Diagnosis of asthma (ICPC R96) | 546 (83.7) |
| Medication use | 308 (47.2) |
| Mean exacerbations in 2012, n ± SD | 0.2 ± 0.4 |
ICPC = International Classification of Primary Care.
SD = standard deviation.