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Odds of reporting an accident according to age (controlling for distance driven) and distance driven (controlling for age)
| Variables | Odds ratio | Confidence limits |
| Age (years) | ||
| Reference <49 | 1.00 | |
| 50–59 | 0.89 | 0.62 to 1.26 |
| 60–60 | 0.85 | 0.59 to 1.23 |
| >70 | 1.04 | 0.69 to 1.57 |
| Annual distance driven (km) | ||
| Reference <10 000 | 1.00 | |
| 11 000–20 000 | 1.31 | 0.99 to 1.73 |
| 21 000–30 000 | 1.82 | 1.20 to 2.76 |
| >31 000 | 2.57 | 1.63 to 4.04 |
