| Parameters | Values |
|---|---|
| α1 (to estimate P(Ishak ≥1)) | 0.73241 |
| α2 (to estimate P(Ishak ≥2)) | -0.05656 |
| α3 (to estimate P(Ishak ≥3)) | -0.50158 |
| α4 (to estimate P(Ishak ≥4)) | -1.34980 |
| α5 (to estimate P(Ishak ≥5)) | -2.35889 |
| α6 (to estimate P(Ishak ≥6)) | -4.44481 |
| β1 | 1.01106 |
| β2 | 0.02192 |
| β3 | 0.50060 |
| β4 | -0.08498 |