Table 5

Lung cancer by exposure to hard metal dusts5-150 according to the job exposure matrix among men

Observed Expected SMR 95% CI Test for
trend5-151
p value
By highest exposure score in the job history:0.17
 0–12014.231.410.86 to 2.17
 2–373.332.100.84 to 4.33
 4–5158.131.851.03 to 3.04
 ⩾641.432.800.76 to 7.16
 ⩾22612.892.021.32 to 2.96
By duration at a score ⩾2 y:0.07
 Non-exposed2014.231.410.86 to 2.17
 <10117.011.570.78 to 2.81
 10–19103.992.511.20 to 4.61
 ⩾2051.892.650.85 to 6.17
By increasing unweighted cumulative doses:0.23
 Dose 186.861.170.50 to 2.30
 Dose 2116.621.660.83 to 2.97
 Dose 3116.841.610.80 to 2.88
 Dose 4166.792.361.35 to 3.83
By increasing frequency weighted cumulative doses:0.37
 Dose 196.751.330.61 to 2.53
 Dose 2116.811.620.81 to 2.89
 Dose 3126.761.780.92 to 3.10
 Dose 4146.782.061.13 to 3.46
  • 5-150 Consisting of simultaneous exposure to cobalt and tungsten carbide.

  • 5-151 Within a Poisson regression model adjusted for smoking and IARC carcinogens.