In total, 167 out-patients with mood, anxiety and personality disorders were randomised to short- or long-term group therapy (20 or 80 weekly, 90 min sessions). Outcome measures were: symptoms (Symptom Checklist 90 - Revised), interpersonal problems (Inventory of Interpersonal Problems - Circumplex) and psychosocial functioning (Global Assessment of Functioning (GAF) split version: GAF-S