| Model 1 | |||
| Category | Model Equation | R2 | R2adj |
| Low |
| 0.8684 | 0.8653 |
| Medium |
| 0.8888 | 0.8859 |
| High |
| 0.8988 | 0.8963 |
| Model 2 | |||
| Category | Model Equation | R2 | R2adj |
| Low |
| 0.9576 | 0.9566 |
| Medium |
| 0.962 | 0.961 |
| High |
| 0.9588 | 0.9577 |