Table 1 Overlapping exposures for 1,476 exposed pulp mill workers employed at any time between 1970 and 2000
Exposed to sulphur dioxide | Gassings to sulphur dioxide | Exposed to chlorine/chlorine dioxide | Gassings to chlorine/chlorine dioxide | Gassings to other irritants | |
|---|---|---|---|---|---|
(N = 1,009) | (N = 624) | (N = 868) | (N = 494) | (N = 632) | |
Exposed to sulphur dioxide | 100% | 100% | 66.5% | 74.1% | 58.9% |
Gassings to sulphur dioxide | 61.8% | 100% | 39.9% | 55.5% | 46.4% |
Exposed to chlorine/chlorine dioxide | 57.2% | 55.5% | 100% | 100% | 52.4% |
Gassings to chlorine/chlorine dioxide | 36.3% | 43.9% | 56.9% | 100% | 38.8% |
Gassings to other irritants | 36.9% | 47.0% | 38.1% | 49.6% | 100% |