Table 4 Mortality among men exposed and non-exposed to potentially hazardous substances in the shipyard: number of observed (Obs) and expected (Exp) deaths and standardised mortality ratios (SMRs)* with 95% confidence intervals, follow-up period to 2001
Cause of death (ICD-9)Exposed in shipyardNon-exposed in shipyard
ObsExpSMR (95% CI)ObsExpSMR (95% CI)
All causes (001–999)30382804.61.08 (1.05–1.12)172170.31.01 (0.86–1.17)
All cancers (140–209)690669.41.03 (0.96–1.11)5341.81.27 (0.95–1.66)
    Oral and nasopharyngeal (140–149)1819.10.94 (0.56–1.49)01.20.00
    Oesophagus (150)2824.61.14 (0.76–1.65)01.60.00
    Stomach (151)2224.80.89 (0.56–1.34)11.50.68 (0.01–3.80)
    Colon (153, 159)5460.20.90 (0.67–1.17)63.81.60 (0.58–3.49)
    Rectum (154)1214.20.85 (0.44–1.48)00.90.00
    Liver (155, 156)912.70.71 (0.32–1.35)00.80.00
    Pancreas (157)2431.00.77 (0.50–1.15)31.91.56 (0.31–4.5)
    Respiratory system (160–163, 1642–3, 164.8–9, 165)308240.41.28 (1.14–1.43)2115.11.39 (0.86–2.12)
    Mesothelioma (163)61.15.39 (1.97–11.74)00.10.00
    Laryngeal (161)1610.91.47 (0.84–2.39)20.72.92 (0.33–10.55)
    Lung (162)286227.61.26 (1.11–1.41)1914.31.33 (0.80–2.07)
    Skin (172–173; 187.7, 154.3)109.61.04 (0.50–1.92)00.60.00
    Breast (174–175)11.01.00 (0.01–5.54)00.10.00
    Prostate (185)6569.70.93 (0.72–1.19)104.42.30 (1.10–4.22)
    Bladder (188)1519.10.78 (0.44–1.29)01.20.00
    Kidney (189)1013.40.74 (0.36–1.37)00.90.00
    Hodgkin’s disease (201)63.41.77 (0.65–3.86)00.20.00
    Multiple myeloma (203.0, 238.6)1110.41.05 (0.53–1.88)20.73.08 (0.35–11.10)
Benign neoplasm (201–236; 237.6, 2378–9; 238.0–238.3; 238.8–238.9)88.90.90 (0.39–1.78)00.60.00
Blood and blood-forming organs (280–289.9)87.31.10 (0.5–2.2)10.52.21 (0.03–12.31)
Mental and psychoneurotic diseases (290–319)2728.90.93 (0.62–1.36)11.90.53 (0.01–2.94)
Cardiovascular diseases (390–459)11461198.20.96 (0.90–1.01)5972.90.81 (0.62–1.04)
    Arteriosclerotic heart disease (410–414, 429.2)793816.90.97 (0.90–1.04)3949.20.79 (0.56–1.08)
    Vascular lesions of CNS (430–438)116144.20.80 (0.66–0.96)78.80.79 (0.32–1.64)
Respiratory diseases (460–519)218197.31.11 (0.96–1.26)1212.30.97 (0.50–1.79)
    Emphysema (492)3423.71.44 (0.99–2.01)21.41.44 (0.16–5.21)
Cirrhosis of the liver (571.0–571.8)2561.30.41 (0.26–0.60)03.70.00
Chronic nephritis (582)85.21.55 (0.67–3.05)10.33.42 (0.04–19.04)
All external causes of death (800–998)84148.60.57 (0.45–0.70)39.30.32 (0.06–0.94)
    All accidents (800–949)4988.50.55 (0.41–0.73)15.530.18 (0.00–1.01)
    Motor vehicle accidents (810–829)934.30.26 (0.12–0.50)12.20.46 (0.01–2.56)
Number of person-years1206197771
  • Bold italic, statistically significant.

  • CNS, central nervous system.

  • *Maryland mortality rates.