All causes | Pipefitters | 175 | 0.77 | 296 | 0.93 | 346 | 1.02 |
| Refrigeration | 48 | 0.62 | 73 | 0.87 | 45 | 0.85 |
| Plumbers | 242 | 0.73 | 401 | 0.89 | 471 | 1.03 |
| Sprinkler | 166 | 0.78 | 310 | 1.07 | 303 | 1.01 |
All cancers | Pipefitters | 50 | 0.82 | 107 | 1.04 | 143 | 1.30* |
| Refrigeration | 13 | 0.61 | 16 | 0.59 | 24 | 1.36 |
| Plumbers | 78 | 0.93 | 153 | 1.08 | 184 | 1.19* |
| Sprinkler | 45 | 0.86 | 103 | 1.16 | 111 | 1.09 |
Gastrointestinal cancer; ICD9: 150–158.9 | Pipefitters | 12 | 0.69 | 29 | 1.05 | 25 | 0.90 |
| Refrigeration | 1 | 0.17 | 5 | 0.7 | 8 | 1.80 |
| Plumbers | 18 | 0.78 | 30 | 0.8 | 41 | 1.03 |
| Sprinkler | 9 | 0.62 | 26 | 1.09 | 30 | 1.15 |
Oesophageal cancer | Pipefitters | 0 | 0 | 4 | 1.2 | 1 | 0.31 |
| Refrigeration | 0 | 0 | 0 | 0 | 2 | 3.75 |
| Plumbers | 3 | 1.2 | 7 | 1.5 | 5 | 1.02 |
| Sprinkler | 1 | 0.66 | 4 | 1.4 | 7 | 2.16 |
Stomach cancer | Pipefitters | 6 | 1.79 | 2 | 0.43 | 4 | 0.94 |
| Refrigeration | 0 | 0 | 1 | 0.86 | 1 | 1.50 |
| Plumbers | 5 | 1.1 | 4 | 0.63 | 4 | 0.66 |
| Sprinkler | 3 | 1.1 | 3 | 0.74 | 2 | 0.50 |
Colorectal cancer | Pipefitters | 2 | 0.3 | 15 | 1.3 | 13 | 1.07 |
| Refrigeration | 0 | 0 | 2 | 0.67 | 2 | 1.04 |
| Plumbers | 7 | 0.73 | 16 | 1.02 | 21 | 1.24 |
| Sprinkler | 4 | 0.67 | 12 | 1.22 | 15 | 1.35 |
Pancreatic cancer | Pipefitters | 4 | 1.2 | 6 | 1.17 | 1 | 0.20 |
| Refrigeration | 1 | 0.93 | 2 | 1.53 | 2 | 2.50 |
| Plumbers | 1 | 0.23 | 2 | 0.29 | 4 | 0.56 |
| Sprinkler | 0 | 0 | 6 | 1.36 | 5 | 1.05 |
Laryngeal cancer | Pipefitters | 2 | 2.05 | 1 | 0.63 | 1 | 0.70 |
| Refrigeration | 0 | 0 | 0 | 0 | 0 | 0.00 |
| Plumbers | 1 | 0.8 | 5 | 2.34 | 3 | 1.40 |
| Sprinkler | 1 | 1.32 | 2 | 1.49 | 2 | 1.41 |
Lung cancer | Pipefitters | 23 | 1.12 | 42 | 1.18 | 56 | 1.53* |
| Refrigeration | 7 | 1.02 | 3 | 0.33 | 7 | 1.21 |
| Plumbers | 28 | 1.04 | 63 | 1.32* | 56 | 1.08 |
| Sprinkler | 18 | 1.1 | 45 | 1.53* | 45 | 1.32 |
Pleural mesothelioma | Pipefitters | 0 | | 2 | | 1 | |
| Refrigeration | 0 | | 0 | | 0 | |
| Plumbers | 1 | | 1 | | 2 | |
| Sprinkler | 0 | | 0 | | 1 | |
Kidney cancer | Pipefitters | 1 | 0.59 | 2 | 0.77 | 1 | 0.41 |
| Refrigeration | 0 | 0 | 1 | 1.4 | 0 | 0.00 |
| Plumbers | 1 | 0.44 | 2 | 0.53 | 5 | 1.34 |
| Sprinkler | 3 | 2.1 | 4 | 1.7 | 1 | 0.41 |
Bladder cancer | Pipefitters | 0 | 0 | 3 | 1.2 | 5 | 1.56 |
| Refrigeration | 2 | 4.6 | 0 | 0 | 1 | 2.01 |
| Plumbers | 1 | 0.57 | 2 | 0.61 | 7 | 1.70 |
| Sprinkler | 1 | 0.93 | 2 | 0.98 | 1 | 0.38 |
Prostate cancer | Pipefitters | 0 | 0 | 4 | 0.57 | 16 | 1.33 |
| Refrigeration | 1 | 1.06 | 0 | 0 | 3 | 1.62 |
| Plumbers | 3 | 0.85 | 12 | 1.43 | 14 | 0.98 |
| Sprinkler | 0 | 0 | 2 | 0.38 | 5 | 0.54 |
Brain cancer | Pipefitters | 3 | 1.18 | 4 | 1.37 | 4 | 1.85 |
| Refrigeration | 1 | 1.08 | 1 | 1.24 | 0 | 0 |
| Plumbers | 4 | 1.03 | 5 | 1.06 | 6 | 1.69 |
| Sprinkler | 3 | 1.16 | 1 | 0.32 | 3 | 1.27 |
Blood and lymphatic; ICD9: 200–208 | Pipefitters | 2 | 0.35 | 5 | 0.59 | 13 | 1.40 |
| Refrigeration | 0 | 0 | 2 | 0.84 | 4 | 2.66 |
| Plumbers | 6 | 0.68 | 10 | 0.8 | 19 | 1.43 |
| Sprinkler | 5 | 0.87 | 9 | 1.12 | 10 | 1.15 |
Leukaemia (myelogenous and | Pipefitters | 1 | 0.59 | 2 | 0.69 | 3 | 0.89 |
lymphatic); ICD9: 204, 205, 208 | Refrigeration | 0 | 0 | 0 | 0 | 1 | 0.68 |
| Plumbers | 3 | 1.11 | 3 | 0.69 | 6 | 1.27 |
| Sprinkler | 2 | 1.14 | 3 | 1.09 | 6 | 1.94 |
Lymphoma; ICD9: 200–202 | Pipefitters | 1 | 0.38 | 3 | 0.81 | 8 | 2.07 |
| Refrigeration | 0 | 0 | 1 | 0.94 | 3 | 4.69 |
| Plumbers | 2 | 0.49 | 4 | 0.71 | 10 | 1.74 |
| Sprinkler | 3 | 1.11 | 4 | 1.1 | 3 | 0.79 |
Circulatory disease (heart | Pipefitters | 74 | 0.77 | 116 | 0.86 | 116 | 0.84 |
disease and stroke) | Refrigeration | 18 | 0.63 | 38 | 1.16 | 15 | 0.71 |
| Plumbers | 88 | 0.68 | 163 | 0.92 | 173 | 0.97 |
| Sprinkler | 53 | 0.65 | 114 | 1 | 110 | 0.94 |
Respiratory disease | Pipefitters | 6 | 0.58 | 20 | 1.04 | 36 | 1.27 |
| Refrigeration | 3 | 0.89 | 2 | 0.39 | 3 | 0.70 |
| Plumbers | 8 | 0.55 | 23 | 0.93 | 26 | 0.77 |
| Sprinkler | 7 | 0.78 | 24 | 1.54 | 20 | 0.93 |
Chronic obstructive pulmonary | Pipefitters | 2 | 0.40 | 7 | 0.66 | 22 | 1.33 |
disease; ICD9: 490–496 | Refrigeration | 1 | 0.59 | 2 | 0.71 | 2 | 0.80 |
| Plumbers | 4 | 0.59 | 15 | 1.12 | 15 | 0.77 |
| Sprinkler | 2 | 0.48 | 16 | 1.95 | 9 | 0.72 |
Pneumoconiosis | Pipefitters | 1 | | 1 | | 1 | |
| Refrigeration | 0 | | 0 | | 1 | |
| Plumbers | 0 | | 1 | | 0 | |
| Sprinkler | 0 | | 1 | | 2 | |
Violent causes | Pipefitters | 32 | 1.28 | 19 | 1.12 | 11 | 1.09 |
| Refrigeration | 10 | 0.97 | 3 | 0.59 | 1 | 0.59 |
| Plumbers | 32 | 0.63 | 19 | 0.57 | 19 | 1.11 |
| Sprinkler | 32 | 0.88 | 21 | 0.91 | 15 | 1.32 |