Table 4
Standard incidence rates (SIR) among heavy construction equipment operators and truck drivers compared to the general population between 1971 and 1995
| Site (ICD8*) | Heavy construction equipment operators (number of observed and expected cases in parentheses) | Truck drivers (number of observed and expected cases in parentheses) |
|---|---|---|
| *International Classification of Diseases, 8th revision. | ||
| †95% confidence interval excludes 1.0. | ||
| All cancers | 0.89 (651/732.8)† | 1.05 (509/485.8) |
| Nasopharynx (140–149) | 0.75 (18/24.1) | 0.82 (12/14.6) |
| Gastrointestinal (150–158) | 0.84 (143/169.2) | 0.99 (115/116.6) |
| Stomach (151) | 1.05 (32/30.6) | 1.23 (27/21.9) |
| Colon (153) | 0.82 (40/48.7) | 0.57 (19/33.4) |
| Rectum (154) | 0.82 (29/35.6) | 1.46 (35/24.1) |
| Liver (155) | 0.94 (15/16.0) | 0.98 (11/11.3) |
| Respiratory (160–162) | 0.78 (71/91.0)† | 1.13 (68/60.3) |
| Larynx (161) | 1.03 (9/8.7) | 1.25 (7/5.6) |
| Lung (162) | 0.76 (61/80.6)† | 1.14 (61/53.7) |
| Prostate (177) | 0.93 (116/124.5) | 1.24 (124/99.7)† |
| Kidney (180) | 0.74 (24/32.4) | 1.12 (23/20.5) |
| Urinary tract (181) | 1.15 (61/53.3) | 0.72 (26/36.0) |
| Melanoma (190) | 0.81 (31/38.5) | 0.70 (14/20.0) |
| Other skin cancer (191) | 1.04 (28/26.9) | 0.98 (19/19.4) |
| Brain (193) | 0.97 (32/33.0) | 0.92 (16/17.4) |
| Lymphoma and leukaemia (200–209) | 1.08 (78/72.3) | 1.21 (53/43.7) |
