Table 5

Mortality results5-151 for selected causes of death by duration of employment and operating segment among men with 20 or more years latency from a petrochemical company, 1964–94

Cause of death (ICD-8 codes)Operating segmentDuration of employment (y)
0–4 Observed/expected SMR (95% CI)5–14 Observed/expected SMR (95% CI)15–24 Observed/expected SMR (95% CI)25–34 Observed/expected SMR (95% CI)⩾35 Observed/expected SMR (95% CI)
Malignant melanoma (172)Marketing or distribution0/0.261/0.373/0.872/1.570/0.88
Multiple myeloma (203)Marketing or distribution1/0.221/0.372/1.5410/3.272/2.44
3.06 (1.47 to 5.63)5-150
Aortic aneurysm (411)Marketing or distribution0/0.370/0.696/4.7711/10.3720/8.69
1.26 (0.46 to 2.74)1.06 (0.53 to 1.90)2.30 (1.40 to 3.55)5-150
Large intestine, except rectum (153)Marine2/0.511/0.625/1.853/3.938/2.91
2.70 (0.88 to 6.30)2.75 (1.19 to 5.41)5-150
Brain (malignant) (191)Exploration, drilling, production, pipeline0/0.241/0.493/1.312/2.012/0.55
  • 5-150 95%CI does not include 1.0.

  • 5-151 Expected deaths based on Canadian general population mortalities.