E-ISSN : 2733-4538
Validity of depressive personality disorder (DPD) diagnosis were empirically studied in the present study. specifically comorbid diagnosis of depression and depressive personality disorder in nonclinical sample was examined at the start-up and the three months follow-up, in order to evaluate its diagnostic stability. The self-report version of the Diagnostic interview for Depressive Personality was administered to 947 college students. Severity of depression was evaluated with Beck Depression Inventory(BDI), negative cognitive patterns, with Cognitive Triad Inventory(CTI) and Dysfunctional Attitude Scale(DAS). The self-report version of the Social Adjustment Scale(SAS) was used to assess impairment in social functioning. Follow-up study was done with the same instruments on 790 of the 947 subjects three months later. The results indicated DPD diagnosis had significant effects on various psychological variables, even after the effect of depression was controlled, and the effects remained unchanged at the follow-up. Results of the follow-up study also indicated strong diagnostic stability of DPD, suggestiny clinical validity of DPD diagnosis.