Table 2.
Cohort | O | SIR | 95% CI |
---|---|---|---|
Asbestos mine workers | 8 | 13.2 | 5.70–26.0 |
Moderate exposure | 2 | 8.81 | 1.07–31.8 |
Heavy exposure | 6 | 15.8 | 5.81–34.4 |
Asbestosis patients | 5 | 49.6 | 16.1–115 |
Asbestos sprayers | 11 | 127 | 63.3–226 |
Screening cohort | 84 | 2.95 | 2.35–3.65 |
Construction | 56 | 2.66 | 2.01–3.44 |
Shipyard | 0 | 0.00 | 0.00–22.0 |
Asbestos industry | 5 | 11.0 | 3.57–25.7 |
Spontaneous ∗ | 12 | 18.4 | 9.53–32.2 |
Questionnaire † | 11 | 1.79 | 0.90–3.21 |
95% CI, 95% confidence interval; O, observed number; SIR, standardized incidence ratio.
Those who spontaneously contacted the researchers willing to participate.
Those who only answered the preliminary questionnaire.