Final rating scales and definitions used for defining occupational asthma
| Rating scale | |
|---|---|
| 1 | Completely disagree |
| 2, 3 | May be true in occasional circumstances |
| 4, 5, 6 | Equivocal, unproven or undecided |
| 7, 8 | Generally true with some exceptions |
| 9 | Agree without reservation |