Table 2. Demographic Data and Vital Status of Asbestos Miner Cohort (n = 1539), China, 1981–2006.
| Mean (SD) | N (%) | |
| Age at entry (yrs) | 36.1 (11.5) | |
| Age at start working (yrs) | 21.7 (6.1) | |
| Age at end of follow up (yrs) | 59.2 (10.8) | |
| Age at death (yrs) | 61.1 (12.9) | |
| Years of employment at entry | 14.4 (9.6) | |
| Total years of employment | 27.3 (6.2) | |
| Geometric mean of fibre exposure, f-y/ml | 57.7 (4.8) | |
| Ever-smoking (n, %) | 1302 (84.6) | |
| Asbestosis (n, %) | 87 (5.7) | |
| Causes of death | ||
| All cause | 428 (27.8) | |
| All cancers* | 120 (28.0) | |
| Lung cancer | 56 (13.1) | |
| GI cancer† | 53 (12.4) | |
| NMRD‡ | 84 (19.6) |
*
Deaths of specific causes were calculated among the all deaths.
†
Gastrointestinal cancers, including all cancers at digestive system.
‡
Non-malignant respiratory diseases.