Cancer mortality among Ontario members of the Plumbers and Pipefitters United Association 20 or more years from start of membership
| Cause of death | Trade | Obs | O/E | 95% CI |
|---|---|---|---|---|
| Oesophageal cancer | Pipefitters | 5 | 0.76 | 0.25 to 1.8 |
| Refrigeration | 2 | 1.40 | 0.17 to 5.2 | |
| Plumbers | 12 | 1.26 | 0.65 to 2.2 | |
| Sprinkler | 11 | 1.80 | 0.90 to 3.2 | |
| Total | 30 | 1.27 | 0.86 to 1.81 | |
| Stomach cancer | Pipefitters | 6 | 0.67 | 0.24 to 1.5 |
| Refrigeration | 2 | 1.07 | 0.13 to 3.8 | |
| Plumbers | 8 | 0.65 | 0.28 to 1.3 | |
| Sprinkler | 5 | 0.62 | 0.20 to 1.4 | |
| Total | 21 | 0.67 | 0.41 to 1.02 | |
| Colorectal cancer | Pipefitters | 28 | 1.17 | 0.78 to 1.7 |
| Refrigeration | 4 | 0.82 | 0.22 to 2.1 | |
| Plumbers | 37 | 1.12 | 0.79 to 1.6 | |
| Sprinkler | 27 | 1.29 | 0.85 to 1.9 | |
| Total | 96 | 1.16 | 0.94 to 1.42 | |
| Pancreatic cancer | Pipefitters | 7 | 0.69 | 0.28 to 1.4 |
| Refrigeration | 4 | 1.90 | 0.52 to 4.9 | |
| Plumbers | 6 | 0.43 | 0.16 to 0.94 | |
| Sprinkler | 11 | 1.21 | 0.60 to 2.2 | |
| Total | 28 | 0.79 | 0.52 to 1.14 | |
| Laryngeal cancer | Pipefitters | 2 | 0.67 | 0.08 to 2.4 |
| Refrigeration | 0 | 0.00 | 0 to 6.2 | |
| Plumbers | 8 | 1.86 | 0.80 to 3.7 | |
| Sprinkler | 4 | 1.47 | 0.40 to 3.8 | |
| Total | 14 | 1.32 | 0.72 to 2.21 | |
| Lung cancer | Pipefitters | 98 | 1.36 | 1.1 to 1.7 |
| Refrigeration | 10 | 0.68 | 0.32 to 1.2 | |
| Plumbers | 119 | 1.19 | 0.99 to 1.4 | |
| Sprinkler | 90 | 1.43 | 1.2 to 1.8 | |
| Total | 317 | 1.27 | 1.13 to 1.42 | |
| Pleural mesothelioma | Pipefitters | 3 | – | |
| Refrigeration | 0 | – | ||
| Plumbers | 3 | – | ||
| Sprinkler | 1 | − | ||
| Kidney cancer | Pipefitters | 3 | 0.60 | 0.12 to 1.8 |
| Refrigeration | 1 | 0.91 | 0.02 to 5.1 | |
| Plumbers | 7 | 0.93 | 0.38 to 1.9 | |
| Sprinkler | 5 | 1.02 | 0.33 to 2.4 | |
| Total | 16 | 0.86 | 0.49 to 1.40 | |
| Bladder cancer | Pipefitters | 8 | 1.40 | 0.61 to 2.8 |
| Refrigeration | 1 | 0.83 | 0.02 to 4.6 | |
| Plumbers | 9 | 1.22 | 0.56 to 2.3 | |
| Sprinkler | 3 | 0.64 | 0.13 to 1.9 | |
| Total | 21 | 1.11 | 0.68 to 1.68 | |
| Prostate cancer | Pipefitters | 20 | 1.05 | 0.64 to 1.6 |
| Refrigeration | 3 | 0.79 | 0.16 to 2.3 | |
| Plumbers | 26 | 1.14 | 0.74 to 1.7 | |
| Sprinkler | 7 | 0.48 | 0.19 to 0.99 | |
| Total | 56 | 0.93 | 0.70 to 1.21 | |
| Brain cancer | Pipefitters | 8 | 1.57 | 0.68 to 3.1 |
| Refrigeration | 1 | 1 | 0.02 to 4.6 | |
| Plumbers | 11 | 1.33 | 0.66 to 2.4 | |
| Sprinkler | 4 | 0.73 | 0.20 to 1.9 | |
| Total | 24 | 1.19 | 0.76 to 1.77 | |
| Blood and lymphatic; | Pipefitters | 18 | 1.01 | 0.60 to 1.6 |
| ICD9: 200–208 | Refrigeration | 6 | 1.54 | 0.56 to 3.4 |
| Plumbers | 29 | 1.16 | 0.78 to 1.7 | |
| Sprinkler | 19 | 1.14 | 0.68 to 1.8 | |
| Total | 72 | 1.14 | 0.89 to 1.44 | |
| Leukaemia (myelogenous and | Pipefitters | 5 | 0.79 | 0.26 to 1.9 |
| lymphatic); ICD9: 204, 205, 208 | Refrigeration | 1 | 0.43 | 0.01 to 2.4 |
| Plumbers | 9 | 0.99 | 0.45 to 1.9 | |
| Sprinkler | 9 | 1.53 | 0.70 to 2.9 | |
| Total | 24 | 1.02 | 0.65 to 1.52 | |
| Lymphoma; ICD9:200–202 | Pipefitters | 11 | 1.45 | 0.72 to 2.6 |
| Refrigeration | 4 | 2.30 | 0.64 to 6.0 | |
| Plumbers | 14 | 1.22 | 0.67 to 2.0 | |
| Sprinkler | 7 | 0.93 | 0.38 to 1.9 | |
| Total | 36 | 1.27 | 0.89 to 1.76 |