| Primary factor | Secondary factor | Degree of grey incidence |
| Endogenous factors | TPAM | 0.8520 (10) |
| CSA | 0.9490 (3) | |
| CCP | 0.9223 (4) | |
| CCF | 0.8789 (8) | |
| CADO | 0.9128 (5) | |
| CAPF | 0.8753(9) | |
| NAE | 0.9708 (2) | |
| Exogenous factors | AS | 0.9727 (1) |
| ATP | 0.8295 (12) | |
| FIA | 0.9098 (6) | |
| IL | 0.8934 (7) | |
| UR | 0.8440 (11) |