Table 5. Model components for the binary response of whether an experimental fracture occurred or not in a model with predictors that included 1) collision energy and age only or 2) collision energy and selected non-age, biological factors.
Odds ratios can not be provided for factors with model terms that involved a polynomial component or interaction.
| Binary fracture response | |||||
|---|---|---|---|---|---|
| Age Focus | non-Age Focus | ||||
| Parameter | Estimate | SE | Estimate | SE | Odds Ratio |
| cons | -9.273 | 2.034 | 9.405 | 3.001 | |
| Age | 0.297 | 0.095 | |||
| Age2 | -0.003 | 0.001 | |||
| Collision energy | 0.737 | 0.169 | |||
| Collision energy2 | -0.024 | 0.012 | |||
| Maxium load, Humerus | -0.016 | 0.004 | 0.9841 | ||
| Old break presence | -3.673 | 1.809 | |||
| Keel bone mineral density, Base | -0.04 | 0.016 | |||
| Old break presence X Keel bone mineral density, Base | 0.049 | 0.024 | |||
| Collision energy | -0.901 | 0.43 | |||
| Bird mass (Kg) | -3.503 | 1.647 | |||
| Collision energy X Bird mass (Kg) | 0.812 | 0.262 | |||