Basic characteristics of the interviewed patients
| Gender | Age category | Occupation | Duration of complaints in weeks | Duration of the interview in minutes | |
| P1 | Male | 50s | Truckdriver | 16 | 79 |
| P3 | Male | 50s | Manager | 16 | 36 |
| P4 | Male | 40s | Electrician (self-employed) | 16 | 31 |
| P5 | Female | 30s | Psychiatric home carer | 16 | 49 |
| P6 | Female | 30s | Housewife | 16 | 26 |
| P7 | Female | 30s | Dialysis nurse | 20 | 40 |
| P8 | Male | 60s | Truckdriver | 6 | 23 |
| P9 | Female | 30s | Nurse in psyciatry | 102 | 40 |
| P10 | Male | 60s | Retired | 52 | 42 |
| P11 | Male | 50s | Human research manager | 5 | 65 |