| Category | n | f%total |
| Problems with clients aged > 25 | 91 | 29.6 |
| Problems with colleagues | 52 | 17.0 |
| Problems with clients aged < 25 | 49 | 15.9 |
| Problems with team leadership | 25 | 8.1 |
| Problems with self | 22 | 7.1 |
| Problems with job description | 21 | 6.8 |
| Problems with school | 18 | 5.8 |
| Problems with employer | 17 | 5.5 |
| Problems with a school class | 13 | 4.2 |
| Total | 308 | 100 |