| Variable | Model IV | Model V | ||||
| Co-efficient B | Wald statistics | Exp (B) Hazard ratio | Co-efficient B | Wald statistics | Exp (B) Hazard ratio | |
| PHLD | −0.0197924 | −3.21*** | 0.9804022 | −0.0224032 | −3.11*** | 0.9778459 |
| PSP | 0.0225452 | 7.70*** | 1.022801 | 0.0144532 | 4.22*** | 1.014558 |
| ROE |
|
|
| −0.0033582 | −3.24*** | 0.9966474 |
| ROCE |
|
|
| −0.0519902 | −4.30*** | 0.9493382 |
| INTCOV |
|
|
| −0.010842 | 0.002** | 0.9892165 |
| MSS |
|
|
| 0.229 | 7.059*** | 1.257 |
| WPI |
|
|
| 0.472 | 10.865*** | 1.603 |
| −2LL (b = 0) | 1196.530 |
|
| 1196.530 |
|
|
| −2LL | 1113.922 |
|
| 963.764 |
|
|
| Prob > chi2= | 0.0000 |
|
|
|
| 0.0000 |