Personality inventory for DSM-5–short form (PID-5-SF): Reliability, factorial structure, and relationship with functional impairment in dual diagnosis patients

Abstract

Section III of the DSM-5 has generated a personality paradigm consisting of 25 personality facets identified in five domains. The developed assessment instrument PID- 5 has showed good psychometric properties but the potential for certain improvements still remain. In this paper, a sample of 282 dual diagnosis patients is used to provide evidence of the psychometric properties of the PID-5 Short Form. The mean value of Cronbach's alpha coefficients reached α = .73 on the facets and .84 for domains and test - retest values ranged between .57 - .83 for facets and .70 - .87 for the domains. CFAs conducted showed good fit on both models tested: the five correlated factor structure and hierarchical structure of personality traits. The WHODAS 2.0 domains of understanding and communicating, and participating in society, appear to show the strongest relationship with personality facets. In general, the PID-5 Short Form shows adequate psychometric properties for use in dual diagnosis patients.