Table 3 Asthma prevalence by criteria : Asthma prevalence at ordinary day-care centres (model 1) using five potential diagnostic criteria.
Prevalence of diagnostic criteria | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Boys aged | Girls aged | ||||||||||||
1 | 2 | 3 | 4 | 5 | 6 | 1 | 2 | 3 | 4 | 5 | 6 | ||
N | 112 | 485 | 503 | 506 | 583 | 287 | 90 | 432 | 472 | 512 | 585 | 319 | |
1 | Physician diagnosis and any wheezing last 12 months | 8.0 | 7.9 | 8.6 | 8.5 | 6.2 | 6.0 | 1.1 | 4.9 | 6.0 | 5.7 | 4.7 | 2.5 |
2 | Being on inhalation steroids | 8.0 | 6.6 | 6.6 | 7.9 | 5.5 | 5.9 | 0 | 3.7 | 5.3 | 6.1 | 5.0 | 3.1 |
3 | Ever had asthma and any wheezing last 12 months | 8.0 | 9.2 | 8.6 | 9.2 | 6.4 | 6.4 | 1.1 | 6.3 | 6.8 | 6.3 | 5.0 | 3.2 |
4 | Wheezing ≥ 4 times last 12 months | 10.7 | 8.1 | 6.4 | 5.4 | 3.8 | 5.3 | 2.3 | 5.6 | 3.0 | 4.1 | 3.3 | 2.5 |
5 | Any wheezing last 12 month | 34.8 | 28.1 | 22.9 | 18.8 | 13.5 | 14.1 | 19.1 | 22.0 | 16.6 | 14.1 | 12.9 | 8.2 |