| Variable | Expected sign | β (SE β) |
| CONSTANT |
| −0.269 (0.256) |
| SEX | + | 0.271* (0.153) |
| LANG | + | 0.331** (0.151) |
| ATTEMPT | − | 0.055 (0.096) |
| BIG4 | − | −0.062 (0.191) |
| Pseudo R2 |
| 0.013 |