Basic demographic data* and identified vital status in asbestos and control cohorts over 37 years
| Asbestos workers (n=577) | Control workers (n=435) | |
| Total person-years of follow-up | 17 507.83 | 15 013.25 |
| Year of birth (median (P25, P75)) | 1930 (1922, 1944) | 1938 (1932, 1944) |
| Age at entry (years) | 39.7 (11.8) | 34.8 (8.3) |
| Age at end of follow-up (years) | 70.1 (11.1) | 69.3 (8.9) |
| Age at death for decedents (years) | 68.2 (11.2) | 64.8 (14.3) |
| Age at exposure start | 29.0 (8.5) | – |
| Years of exposure at entry | 10.8 (6.7) | – |
| Total years of exposure | 25.3 (7.8) | – |
| Smoking (n, %) | 452 (78.3) | 236 (54.3) |
| Asbestosis (n, %) | 127 (22.2) | |
| Identified deaths | ||
| All causes | 259 (44.9) | 76 (17.5) |
| All cancers† | 96 (37.1) | 33 (42.9) |
| Lung cancer | 53 (20.5) | 9 (11.7) |
| GI cancer‡ | 29 (11.2) | 18 (23.4) |
| Mesothelioma | 2 (0.8) | 0 (0.0) |
| NMRD§ | 81 (31.3) | 11 (14.3) |
* Values denote mean (SD), unless otherwise specified.
† Deaths of specific causes were calculated among all deaths.
‡ Gastrointestinal cancers including stomach (gastric), liver, oesophageal, colorectal cancers and bile duct cancer.
§ Non-malignant respiratory diseases.