Table 1 In- and exclusion criteria

Inclusion criteria

 1. Bodily Distress Syndrome, multi-organ type of at least 12 months’ duration.

 2. 15–19 years old at referral.

 3. Raised since early childhood in Denmark or born by Danish parents. Understand, speak and read Danish.

 4. Moderate or severe impairment.

Exclusion criteria

 1. Acute psychiatric disorder demanding other treatment, or if the patient is suicidal.

 2. A lifetime diagnosis of psychosis, mania or depression with psychotic symptoms (ICD-10: F20–29, F30–31, F32.2, F33.3), serious cognitive deficits or developmental disorders such as mental retardation and autism (ICD-10: F70, F84)

 3. Substance abuse of e.g. narcotics, alcohol or medication.

 4. Pregnancy at the time of inclusion.

 5. Not able to participate in group-based treatment, e.g. patients with severe ADHD (ICD-10: F90), severe social phobia (ICD-10: F40.1) or conduct disorder (ICD-10: F91).