Causative agents
| Causative agent | Eosinophilic subjects | Non-eosinophilic subjects |
|---|---|---|
| Isocyanates | 3 | 3 |
| Oil mists | 3 | 2 |
| Cobalt | 1 | 4 |
| Welding fumes | 1 | 2 |
| Chrome | 1 | 2 |
| Colophony | 1 | 1 |
| Floor cleaner | 0 | 2 |
| Formaldehyde | 1 | 0 |
| Glutaraldehyde | 0 | 2 |
| Acrylates | 0 | 2 |
| Triglycidyl isocyanurate | 1 | 0 |
| Burning plastic | 0 | 1 |
| Unknown (potential low molecular weight agents identified, no high molecular weight agents identified) | 2 (bus depot and warehouse worker) | 3 (2 car plant workers, 1 refuse worker) |