Research Article
Distribution and Risk Factors of Water-Related Accidents for General Aviation Aircraft
Table 2
Multivariable logistic regression of risk factors for a fatal flight.
| | | | | 95% confidence intervals | Comparison | value | Odds ratio | Lower | Upper |
| Rated power (hp) | 0-99 | | | | | 100-199 | 0.017a | 5.709 | 1.374 | 23.716 | 200-299 | 0.006a | 5.573 | 1.645 | 18.883 | 300-499 | 0.002a | 8.537 | 2.264 | 32.194 | 500+ | 0.004a | 7.595 | 1.943 | 29.683 | Conditions at accident site | Visual conditions | | | | | Instrument conditions | 0.003a | 25.585 | 3.047 | 214.822 | Condition of light | Day | | | | | Night/dark/dusk/dawn | 0.002a | 3.717 | 1.645 | 8.400 | Broad phase of flight | Takeoff | | | | | Maneuvering | 0.145 | 2.128 | 0.771 | 5.87 | Landing | 0.447 | 0.689 | 0.264 | 1.798 | Cruise | 0.001a | 7.899 | 2.417 | 25.815 | Approach | 0.910 | 1.088 | 0.254 | 4.658 | Other | 0.940 | 1.047 | 0.322 | 3.402 |
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aStatistically significant factors . |