Obsessive-compulsive personality traits: How are they related to OCD severity?

► Previous research has demonstrated that comorbid obsessive-compulsive personality disorder (OCPD) in patients with obsessive-compulsive disorder (OCD) is associated with greater overall OCD severity, functional impairment, and poorer treatment outcomes. ► However, research has only examined the effects of OCPD categorically and has not thoroughly examined the impact of individual OCPD traits dimensionally. ► The present study sought to investigate the relationships between various OCPD-related dimensions (e.g., perfectionism, rigidity) and OCD severity and symptoms in a sample of 51 OCD patients in two residential treatment facilities. ► Findings yielded significant associations between OCD severity and the following OCPD dimensions: flexibility, doubts about actions (a dimension of perfectionism), and hoarding.