Research Article
Increased Standardised Incidence Ratio of Malignant Pleural Mesothelioma in Taiwanese Asbestos Workers: A 29-Year Retrospective Cohort Study
Table 1
Demographic characteristics of the cohort, 1950–2009.
| | | Case number (%) | | | Total | Male | Female |
| | | 160640 | 121883 (75.9) | 38757 (24.1) | | Asbestos-related industry | | | | | Asbestos cement industry | 5919 (3.68) | 4965 (4.07) | 954 (2.46) | | Asbestos friction industry | 10681 (6.65) | 6745 (5.53) | 3936 (10.16) | | Asbestos thermal insulation industry | 3554 (2.21) | 2477 (2.03) | 1077 (2.78) | | Industries using serpentine | 10261 (6.39) | 7089 (5.82) | 3172 (8.18) | | Those applications with use | 13220 (8.23) | 9630 (7.9) | 3590 (9.26) | | Those applications without use | 19488 (12.13) | 11640 (9.55) | 7848 (20.25) | | Not classified | 97517 (60.71) | 79337 (65.09) | 18180 (46.91) | | Period of first employment | | | | | 1950~1979 | 70399 (43.82) | 58080 (47.65) | 12319 (31.79) | | 1980~2009 | 90241 (56.18) | 63803 (52.35) | 26438 (68.21) | | Duration of employment (year) | | | | | <1 | 78999 (49.18) | 59918 (49.16) | 19081 (49.23) | | 1–9 | 60074 (37.4) | 44658 (36.64) | 15416 (39.78) | | 10–19 | 11572 (7.2) | 9137 (7.5) | 2435 (6.28) | | ≥20 | 9995 (6.22) | 8170 (6.7) | 1825 (4.71) | | First exposure age (years old) | | | | | <30 | 113202 (70.47) | 86025 (70.58) | 27177 (70.12) | | 30–39 | 28234 (17.58) | 20757 (17.03) | 7477 (19.29) | | ≥40 | 19204 (11.95) | 15101 (12.39) | 4103 (10.59) |
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