Timepoint | Initial consultation | Randomization | Two-day diagnostics | Follow-up consultations | Six months after initial consultation | Two-day diagnostics | Follow-up consultations |
---|---|---|---|---|---|---|---|
Enrollment | |||||||
 Screening and information letter | X |  |  |  |  |  |  |
 Randomization |  | X |  |  |  |  |  |
Interventions | |||||||
 Intervention group | X |  | X | X |  |  |  |
 Waiting-list control group | X |  |  |  |  | X | X |
Assessments | |||||||
 Baseline questionnaire | X |  |  |  |  |  |  |
 Questionnaire at the end of the two-day diagnostics |  |  | X |  |  | X |  |
 Six-month follow-up questionnaire |  |  |  |  | X |  |  |
 Computerized documentation by occupational health physicians | Continuously |  |  |  |  |  |  |
 Participant interviews |  |  |  | X |  |  | X |