| Name | Coefficient | Stand Deviat | Signif. % |
| a0 | 54.542 | 0.333 | <0.01*** |
| a1 | 0.042 | 0.333 | 90.5 |
| a2 | 0.367 | 0.333 | 32.0 |
| a3 | −3.417 | 0.333 | 0.0150*** |
| a4 | −1.067 | 0.333 | 2.38* |
| a12 | 0.517 | 0.333 | 18.1 |
| a13 | −0.317 | 0.333 | 38.5 |
| a23 | −0.342 | 0.333 | 35.1 |
| a14 | −0.167 | 0.333 | 63.7 |
| a24 | −0.492 | 0.333 | 19.9 |
| a34 | 0.492 | 0.333 | 19.9 |