| Uni-directional 1:1 previous interview period OR (95% CI) | CLR | Bi-directional 1:5 randomly selected interview periods OR (95% CI) | CLR | Bi-directional 1:all interview periods OR (95% CI) | CLR | |
| Maintenance work vs none | 2.2 (0.9 to 5.3) | 5.9 | 3.7 (1.9 to 7.1) | 3.7 | 3.1 (1.8 to 5.5) | 3.1 |
| Glove use vs none | 0.8 (0.3 to 2.0) | 6.1 | 0.6 (0.3 to 1.3) | 4.4 | 0.9 (0.5 to 1.7) | 3.7 |
| Joint pain vs none | 0.7 (0.1 to 3.7) | 28.4 | 0.6 (0.2 to 2.3) | 14.7 | 1.0 (0.3 to 3.3) | 10.6 |
| Fishing gear >1 vs < = 1 | 2.0 (0.6 to 6.5) | 10.3 | 2.9 (1.3 to 6.9) | 5.5 | 1.9 (0.9 to 3.8) | 4.0 |
| Atlantic ocean vs other location | 0.8 (0.1 to 4.5) | 32.9 | 1.5 (0.5 to 4.7) | 10.1 | 1.0 (0.4 to 3.0) | 8.2 |
*Modelled with conditional logistic regression using proportional hazards regression.
CI, confidence interval; CLR, confidence limit ratio calculated as the upper confidence limit divided by the lower confidence limit25; OR, odds ratio.