Lung cancer, respiratory disease and circulatory disease mortality ratios among members of the Plumbers and Pipefitters United Association by year of death
| Trade | Year of death | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1960–68 | 1969–78 | 1979–88 | 1989–99 | Total (1960–99) | |||||||
| Obs | SMR | Obs | SMR | Obs | SMR | Obs | SMR | Obs | EXP | SMR (95% CI) | |
| Only deaths occurring 10 or more years from start of membership are included. | |||||||||||
| Lung cancer | |||||||||||
| All trades | 3 | 0.34 | 63 | 1.27 | 167 | 1.34 | 222 | 1.24 | 455 | 362 | 1.26 (1.14 to 1.38) |
| Respiratory disease | |||||||||||
| All trades | 0 | 0 | 25 | 0.86 | 64 | 0.96 | 106 | 1.02 | 195 | 207 | 0.94 (0.81 to 1.08) |
| Circulatory disease | |||||||||||
| All trades | 9 | 0.1 | 212 | 0.8 | 435 | 0.95 | 558 | 0.94 | 1214 | 1388 | 0.87 (0.83 to 0.93) |