Occupational exposure | Severity grouping | |||
---|---|---|---|---|
Group A (%) | Group B (%) | Group C (%) | Group D (%) | |
Biomass exposure | 14 (7.1) | 12 (6.1) | 5 (2.5) | 15 (7.6) |
Mineral dust | 14 (7.1) | 31 (15.7) | 9 (4.6) | 34 (17.3) |
Organic dust | 4 (2.0) | 15 (7.6) | 9 (4.6) | 15 (7.6) |
No exposure | 4 (2.0) | 2 (1.0) | 4 (2.0) | 10 (5.1) |
Total | 36 (18.3) | 60 (30.5) | 27 (13.7) | 74 (37.6) |