Table 11

Percentage attributable risks from smoking and asbestos exposure

Cases% Attributable to
BackgroundAsbestos onlySmoking onlyBoth factors
Among those exposed to both agents:
 Case-control3-150 64710.410.041.138.4
 Cohort/occupational (group A)3-151 29911.420.531.936.2
 Cohort/occupational (group B)3-152 4522.711.216.869.3
Among the whole population:
 Case-control3-150 219324.05.055.715.4
 Cohort/occupational (group A)3-151 63918.020.840.420.9
 Cohort/occupational (group B)3-152 4683.012.616.568.0
  • 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