Estimates from Poisson regression analysis of relative risk of having an notified notifiable accident not causing permanent disability of 5% or more aboard passenger ships
| Notified notifiable accidents not causing disability of ≥5% | ||
|---|---|---|
| Cases | Adjusted* RR (95% CI) | |
| *Adjusted for all other variables presented in the table. | ||
| Age at time of accident (y): | (p<0.001) | |
| <25 | 131 | 1.00 (reference category) |
| 25–34 | 186 | 0.77 (0.61 to 0.96) |
| 35–44 | 54 | 0.54 (0.38 to 0.75) |
| 45–54 | 37 | 0.50 (0.34 to 0.74) |
| ≥55 | 11 | 0.50 (0.26 to 0.94) |
| Occupation on board: | (p<0.001) | |
| Catering crew | 249 | 1.00 (reference category) |
| Ship's engineers | 17 | 0.93 (0.56 to 1.54) |
| Ratings, deck | 33 | 1.13 (0.77 to 1.64) |
| Ratings, engine | 44 | 1.54 (1.09 to 2.18) |
| Galley crew | 73 | 1.84 (1.41 to 2.40) |
| Navigation officers | 1 | 0.06 (0.01 to 0.44) |
| Other crew members | 2 | 0.20 (0.05 to 0.79) |
| Nationality: | (p<0.001) | |
| Danish citizens | 382 | 1.00 (reference category) |
| Foreigners | 37 | 0.50 (0.35 to 0.70) |
| Change of ship since last employment period: | (p=0.697) | |
| Change of ship | 87 | 1.00 (reference category) |
| Same ship as last time | 259 | 0.92 (0.72 to 1.17) |
| No information | 73 | 0.85 (0.62 to 1.16) |
| Time aboard when accident took place (days): | (p<0.001) | |
| 1–15 | 106 | 1.00 (reference category) |
| 16–30 | 45 | 0.59 (0.42 to 0.84) |
| 31–60 | 81 | 0.72 (0.54 to 0.96) |
| 61–90 | 46 | 0.60 (0.43 to 0.85) |
| >90 | 141 | 0.62 (0.47 to 0.80) |