Cases | % Attributable to | ||||
---|---|---|---|---|---|
Background | Asbestos only | Smoking only | Both factors | ||
Among those exposed to both agents: | |||||
Case-control3-150 | 647 | 10.4 | 10.0 | 41.1 | 38.4 |
Cohort/occupational (group A)3-151 | 299 | 11.4 | 20.5 | 31.9 | 36.2 |
Cohort/occupational (group B)3-152 | 452 | 2.7 | 11.2 | 16.8 | 69.3 |
Among the whole population: | |||||
Case-control3-150 | 2193 | 24.0 | 5.0 | 55.7 | 15.4 |
Cohort/occupational (group A)3-151 | 639 | 18.0 | 20.8 | 40.4 | 20.9 |
Cohort/occupational (group B)3-152 | 468 | 3.0 | 12.6 | 16.5 | 68.0 |
↵3-150 Means for the 10 studies (or substudies) in table 4 except Minowa et al 18 and Garshicket al.20
↵3-151 Means for the seven studies (or substudies) in table 5 except Cheng and Kong.25
↵3-152 Means for the seven studies (or substudies) Berryet al (1960–70),1 Oksaet al (three groups),31 Selikoffet al,34 Selikoff and Hammond,35 and Hammond et al.36