Overall | Winter | Summer | ||||
---|---|---|---|---|---|---|
Occupation groups | Adjusted IRR* | p Value | Adjusted IRR† | p Value | Adjusted IRR† | p Value |
Manual labourers | 1 | 1 | 1 | |||
Welders (all) | 1.45 (1.40; 1.50) | <0.001 | 1.47 (1.42; 1.52) | <0.001 | 1.33 (1.23; 1.44) | <0.001 |
High | 1.48 (1.47; 1.61) | <0.001 | 1.58 (1.50; 1.67) | <0.001 | 1.32 (1.19; 1.47) | <0.001 |
Medium | 1.48 (1.42; 1.55) | <0.001 | 1.49 (1.43; 1.57) | <0.001 | 1.40 (1.27; 1.55) | <0.001 |
Low | 1.22 (1.15; 1.29) | <0.001 | 1.22 (1.15; 1.30) | <0.001 | 1.24 (1.09; 1.40) | <0.001 |
Blast/paint workers | 1.45 (1.38; 1.53) | <0.001 | 1.46 (1.37; 1.54) | <0.001 | 1.46 (1.29; 1.64) | <0.001 |
Firemen | 1.01 (0.91; 1.12) | 0.808 | 0.96 (0.85; 1.08) | 0.587 | 1.24 (1.02; 1.51) | 0.034 |
Office workers | 0.80 (0.75; 0.85) | <0.001 | 0.79 (0.73; 0.85) | <0.001 | 0.82 (0.71; 0.95) | 0.008 |
Bold highlights statistical significance. Adjusted for age, country of origin and years of dockyard employment.
*Adjusted for: age, nationality, season and varying tenure.
†Adjusted for: age, nationality and varying tenure.
IRR, incidence rate ratio.