| Educational status of the parents | N | SD | M | F | Sig. |
| primary | 20 | 0.1 | 1.60 | 14.55 | 0.001 |
| secondary education | 104 | 0.6 | 2.38 | ||
| secondary vocational education | 186 | 0.6 | 2.23 | ||
| higher education/bachelor | 286 | 0.3 | 2.57 | ||
| higher education/master | 495 | 0.3 | 2.57 | ||
| doctor and higher degree | 56 | 0 | 2.68 | ||
| student | 22 | 0.1 | 2.55 |