From: Respiratory tract mortality in cement workers: a proportionate mortality study
Site | N | PMR | 95% CI |
---|---|---|---|
Blue-collar maintenance workers | |||
All respiratory cancer | 91 | 1.91 | 1.54 to 2.33 |
Lung cancer | 85 | 2.05 | 1.65 to 2.52 |
Larynx | 6 | 1.32 | 0.53 to 2.74 |
Bladder cancer | 13 | 1.52 | 0.85 to 2.55 |
Blue-collar maintenance workers | |||
All respiratory cancer | 35 | 1.7 | 1.2 to 2.34 |
Lung cancer | 31 | 1.67 | 1.15 to 2.34 |
Larynx cancer | 4 | 1.71 | 0.54 to 4.14 |
Bladder cancer | 11 | 1.49 | 0.78 to 2.59 |
Office workers | |||
All Respiratory cancer | 13 | 0.62 | 0.34 to 1.03 |
Lung cancer | 13 | 0.7 | 0.38 to 1.16 |
Larynx cancer | - | n/a | n/a |
Bladder cancer | 2 | 1.5 | 0.25 to 4.96 |