Suspected agents in reported occupational asthma cases (n = 174)
| Agent | Number of cases | % of cases |
|---|---|---|
| Isocyanates | 27 | 15.5 |
| Persulphates | 21 | 12.1 |
| Cleaning products | 15 | 8.6 |
| Wood dust | 14 | 8.0 |
| Flour | 13 | 7.5 |
| Latex | 12 | 6.9 |
| Glues and resins | 8 | 4.6 |
| Animal products | 7 | 4.0 |
| Colophony | 7 | 4.0 |
| Grain | 4 | 2.3 |
| Aldehydes | 4 | 2.3 |
| Other chemical products | 29 | 16.7 |
| Other agents | 9 | 5.2 |
| Not identified | 4 | 2.3 |