Table 2.
Standardized Incidence Ratio (SIR) for total cancer and lung cancer in Swedish seafarers 1985–2011 per position (”ever”) and gender
| Men | Women | |||||
|---|---|---|---|---|---|---|
| Obs | SIR (95% CI) | Obs | SIR (95% CI) | |||
| Total cancer | ||||||
| All positions | 3 221 | 1.05 (1.01–1.09) | 938 | 0.83 (0.78–0.89) | ||
| Deck* | ||||||
| Officers | 1 137 | 1.15 (1.08–1.21) | 27 | 1.15 (0.73–1.62) | ||
| Ratings | 1 717 | 1.08 (1.03–1.13) | 51 | 0.73 (0.54–0.93) | ||
| Enginea | ||||||
| Total | 1 066 | 1.07 (1.00–1.13) | 4 | 0.67 (0.17–1.33) | ||
| Officers | 691 | 1.06 (0.98–1.14) | ≤ 3 | (expected 2) | ||
| Ratings | 903 | 1.12 (1.05–1.19) | 4 | 0.72 (0.18–1.45) | ||
| Catering/servicea | 727 | 1.04 (0.96–1.11) | 880 | 0.83 (0.77–0.88) | ||
| Tankers, all positions | 941 | 1.08 (1.01–1.15) | 65 | 0.94 (0.72–1.17) | ||
| Lung cancer | ||||||
| All positions | 341 | 1.51 (1.35–1.67) | 84 | 1.54 (1.23–1.87) | ||
| Decka | ||||||
| Officers | 108 | 1.38 (1.12–1.65) | 4 | 3.07 (0.77–6.14) | ||
| Ratings | 186 | 1.57 (1.35–1.79) | ≤ 3 | expected 3 | ||
| Enginea | ||||||
| Total | 125 | 1.64 (1.36–1.93) | 0 | expected 0 | ||
| Officers | 76 | 1.49 (1.15–1.84) | 0 | expected 0 | ||
| Ratings | 111 | 1.82 (1.49–2.16) | 0 | expected 0 | ||
| Catering/servicea | 74 | 1.58 (1.24–1.95) | 81 | 1.57 (1.24–1.92) | ||
| Tankers, all positions | 121 | 1.87 (1.54–2.21) | 6 | 1.68 (0.56–3.08) | ||
Obs observed cases; CI confidence interval
aAnalysis based on “ever” having held such a position (overlap possible)