The mortality of wastewater workers relative to that of water supply workers 1965–97 (inclusive); number of deaths (n) and relative risk estimates (RR) with 95% CI, by underlying cause of death
| Cause of death (ICD-7) | n | RR | (95% CI) |
|---|---|---|---|
| *Death certificate not available because the person died during a (temporary) stay outside Denmark. | |||
| Total | 150 | 1.25 | (1.03 to 1.51) |
| Cancer (140–205) | 45 | 1.34 | (0.95 to 1.89) |
| Cardiovascular disease (330–4, 400–68) | 48 | 1.06 | (0.76 to 1.47) |
| Other diseases | 39 | 1.39 | (0.95 to 2.01) |
| External causes (800–999) | 17 | 1.44 | (0.80 to 2.58) |
| Cause of death unknown* | 1 | 0.94 | (0.10 to 8.79) |