Table 3

Associations between lung cancer incidence and employment in occupations involving exposure to known (A-list) or suspected (B-list) carcinogens

Less specific criteriaMore specific criteria
CasesPerson-yearsRR (95% CI)*CasesPerson-yearsRR (95% CI)*
Never A-list or B-list†191434 6741214488 6621
Ever exposed
    A-list1434 8260.9 (0.5 to 1.6)03883
    B-list (not A)1435 7160.9 (0.6 to 1.5)512 6710.8 (0.3 to 1.9)
    A-list or B-list2870 5420.9 (0.6 to 1.4)516 5540.6 (0.3 to 1.6)
Duration
    <15 years A-list719 0880.9 (0.4 to 1.9)02321
    ⩾15 years A-list715 7381.0 (0.5 to 2.1)01563
    <15 years B-list415 6820.7 (0.3 to 1.6)258240.7 (0.2 to 2.9)
    ⩾15 years B-list1020 0341.1 (0.6 to 1.9)368470.8 (0.3 to 2.6)
    <15 years A-list or B-list1033 7650.7 (0.4 to 1.4)280900.6 (0.1 to 2.3)
    ⩾15 years A-list or B-list1836 7771.0 (0.6 to 1.7)384640.7 (0.2 to 2.2)
Time since first employment
    <26 years A-list316 8170.7 (0.2 to 2.1)01625
    ⩾26 years A-list1117 9551.1 (0.6 to 2.0)02258
    <26 years B-list318 9930.8 (0.3 to 1.9)162840.6 (0.1 to 4.1)
    ⩾26 years B-list1116 5711.0 (0.6 to 1.8)463360.9 (0.3 to 2.3)
    <26 years A or B list636 2350.6 (0.3 to 1.4)179400.5 (0.1 to 3.3)
    ⩾26 years A-list or B-list2234 0941.0 (0.7 to 1.6)485630.7 (0.3 to 1.9)
  • *Relative risk (RR) adjusted for passive smoking, education level and family history of lung cancer.

  • †Reference category for all risk ratios.