Table 8
Odds ratios and 95% confidence intervals for leukaemia among Finnish seafarers by characteristics of the work history (latency time 10 years)
| Duration of exposure | ||||
|---|---|---|---|---|
| ≥1 month | ≥3 years | |||
| Type of exposure | Cases/controls | OR (95% CI) | Cases/controls | OR (95% CI) |
| Occupation | ||||
| Deck officers | 13/25 | 1.82 (0.83 to 4.01) | 10/21 | 1.57 (0.67 to 3.68) |
| Engine officers | 11/25 | 1.44 (0.63 to 3.26) | 7/18 | 1.20 (0.46 to 3.12) |
| Radio officers | 0/2 | – | 0/2 | – |
| Deck crew | 16/39 | 1.38 (0.66 to 2.87) | 5/16 | 0.93 (0.32 to 2.72) |
| Engine crew | 4/31 | 0.32 (0.11 to 0.97) | 0/11 | – |
| Catering | 7/25 | 0.81 (0.32 to 2.03) | 2/4 | 1.53 (0.27 to 8.65) |
| Type of ship | ||||
| Dry cargo vessel | 33/95 | 1.22 (0.59 to 2.93) | 22/61 | 1.18 (0.58 to 2.39) |
| Tanker | 22/41 | 2.32 (1.13 to 4.75) | 6/12 | 1.59 (0.55 to 4.54) |
| Deck personnel | 13/21 | 2.26 (1.01 to 5.06) | 6/3 | 6.86 (1.63 to 28.8) |
| Engine personnel | 6/16 | 1.15 (0.42 to 3.16) | 0/8 | – |
| Passenger ship | 17/39 | 1.53 (0.74 to 3.16) | 1/8 | 0.36 (0.09 to 2.96) |
| Icebreaker | 0/6 | – | 0/1 | – |
| Other | 6/20 | 0.88 (0.33 to 2.38) | 2/7 | 0.85 (0.17 to 4.26) |
