| Outer VIF Values | VIF |
| EPA1 | 1.421 |
| EPA2 | 1.698 |
| EPA3 | 1.617 |
| PC1 | 2.732 |
| PC2 | 3.249 |
| PC3 | 2.722 |
| PC4 | 1.664 |
| PR1 | 1.219 |
| PR2 | 1.301 |
| PR3 | 1.214 |
| PVSP1 | 2.047 |
| PVSP2 | 2.970 |
| PVSP3 | 2.312 |
| PVSP4 | 1.834 |
| PVSP5 | 1.621 |
| TCASP1 | 2.073 |
| TCASP2 | 2.437 |
| TCASP3 | 1.905 |
| TCASP4 | 2.247 |
| TCASP5 | 2.610 |