Table 2

Relative risks (HRs) for lung cancer in relation to duration of employment in jobs grouped by similar processes

Process grouping/years workedCasesNon-casesHR*(95% CI)
Warehouse, packing, quality control
 053026651.0
 1–9361821.1(0.8 to 1.7)
 10–19321481.2(0.8 to 1.9)
 ≥20301900.8(0.5 to 1.2)
Cotton handling, processing, spinning
 050925581.0
 1–9351231.2(0.8 to 1.7)
 10–19301531.0(0.6 to 1.4)
 ≥20543210.7(0.5 to 1.0)
Wool handling, processing, spinning
 060830841.0
 1–95201.1(0.4 to 3.0)
 10–195280.8(0.3 to 2.2)
 ≥2010530.7(0.4 to 1.4)
Silk handling, processing, spinning
 062231531.0
 >06321.0(0.4 to 2.3)
Synthetic fibre handling, processing, spinning
 061230971.0
 1–92310.2(0.1 to 1.0)
 10–198251.5(0.7 to 3.5)
 ≥206320.7(0.3 to 1.8)
Mixed fibre handling, processing, spinning
 052527431.0
 1–9201260.7(0.4 to 1.2)
 10–19311141.5(0.9 to 1.7)
 ≥20522021.2(0.9 to 1.7)
Scouring, bleaching
 062431581.0
 >04270.8(0.3 to 2.8)
Dyeing
 061331291.0
 1–95191.5(0.5 to 4.4)
 10–194191.0(0.3 to 2.8)
 ≥206182.3(0.9 to 6.1)
Finishing
 062231451.0
 >06400.7(0.3 to 1.7)
Weaving
 038420651.0
 1–9612311.4(1.0 to 1.9)
 10–19672951.2(0.9 to 1.7)
 ≥201165940.9(0.8 to 1.2)
Sewing, cutting
 057528901.0
 1–917871.2(0.7 to 2.0)
 10–1919961.1(0.7 to 1.9)
 ≥20171120.9(0.5 to 1.6)
Maintenance
 061030791.0
 1–97481.0(0.4 to 2.1)
 10–196271.2(0.4 to 2.6)
 ≥205311.0(0.4 to 2.6)
Administration, other non-production
 045122771.0
 1–9743381.8(1.0 to 1.8)
 10–19552681.3(1.0 to 1.9)
 ≥20483020.9(0.7 to 1.3)
  • * HR adjusted for age and smoking.