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OCPD Symptoms in Veterans Receiving PTSD Specialty Care

Barredo, J.; Kulak, M. J.; Swearingen, H. R.; Shea, M. T.; Mariano, T. Y.; Pinto, A.; Greenberg, B. D.

2026-07-01 psychiatry and clinical psychology
10.64898/2026.06.24.26356458 medRxiv
Show abstract

Post-traumatic stress disorder (PTSD) is associated with high rates of comorbid personality disorders, which may contribute to PTSD severity. Among veterans with PTSD, obsessive compulsive personality disorder (OCPD) is common, with reported prevalence estimates ranging from 7-44%. Despite this, the relationship between OCPD traits and PTSD severity remains poorly understood. This retrospective, cross-sectional study examined associations between PTSD severity and OCPD traits in a naturalistic sample of 99 Veterans evaluated by a single clinician in a PTSD/Trauma Recovery Services clinic. PTSD symptoms were measured with the PTSD Checklist for DSM-V (PCL-5), and OCPD traits were measured with the Pathological Obsessive-Compulsive Personality Scale (POPS). Relationships between these two constructs were examined using Pearson correlations. Overall PTSD severity was significantly and positively correlated with total OCPD traits (r = 0.46, p < 0.001). Among OCPD domains, maladaptive perfectionism showed the strongest association with PTSD severity (r = 0.44, p <.001), followed by emotional overcontrol and reluctance to delegate (both r = .38, p < .01), rigidity (r = .35, p < .01), and difficulty with change (r = .28, p < .05). These findings suggest OCPD traits impact PTSD symptom burden in veterans, warranting further research and clinical attention.

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