| Variables | Mean | Min. | Max. | Std. Dev. |
| AGE | 2.7 | 1 | 5 | 0.937 |
| EDU | 0.73 | 0 | 1 | 0.446 |
| EXP | 1.69 | 1 | 4 | 0.8127 |
| LTS | 1.75 | 1 | 3 | 0.8333 |
| IA | 1.14 | 1 | 2 | 0.3487 |
| TFU | 0.73 | 0 | 1 | 0.446 |
| TCHF | 0.65 | 0 | 0 | 0.479 |
| AEF | 0.46 | 0 | 1 | 0.501 |
| TV | 1.68 | 1 | 4 | 0.815 |
| COST | 1.97 | 1 | 3 | 0.936 |
| PRD | 1.92 | 1 | 3 | 0.849 |
| PRF | 1.87 | 1 | 3 | 0.848 |
| CPT | 1.9 | 1 | 3 | 0.870 |
| EFC | 1.83 | 1 | 3 | 0.853 |