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Examination of psychometric properties of the Posttraumatic Stress Related Functioning Inventory, Revised (PRFI-5) in
Shannon E McCaslin1, Margaret-Anne Mackintosh1, William R Wolfe2
1Dissemination and Training Division, National Center for PTSD, VA Palo Alto Health Care Center (MPD).
Objective:
The Posttraumatic Stress Related Functioning Inventory (PRFI) is a 33-item, self-report measure that assesses functioning associated with symptoms of posttraumatic stress disorder (PTSD) across occupational, social relationships, and lifestyle domains (McCaslin et al., 2016). The purpose of the current investigation was to examine the psychometric properties of the DSM-5 version of the PRFI (PRFI-5).
Method:
The data were drawn from a completed randomized, controlled trial that compared Individual Placement and Support (IPS) supported employment with a stepwise vocational rehabilitation involving transitional work (TW) among veterans with PTSD. Veterans completed the PRFI-5 and related measures (e.g., quality of life, PTSD symptom severity, self-esteem, and suicidality; N = 450). Psychometric analyses included a review of item and scale descriptives, evaluation of the scale's reliability and cohesiveness, assessment of the scale factor structure, and its convergent and discriminant validity.
Results:
Broadly, results were similar to those of the previous version of the PRFI and support the PRFI-5 as a reliable (αs = .70-.97) and valid measure of posttraumatic stress-related functional impairment. The measure can provide a high-level summary of functioning (e.g., total scale score) yet also can be used to provide a detailed clinical analysis of psychosocial functioning across several domains (i.e., work/school, relationships, lifestyle).
Conclusions:
This study examines a pragmatic measure of PTSD-related psychosocial functioning and highlights the importance of incorporating a measure of psychosocial functioning routinely alongside symptom measures as a component of psychological assessment and practice. (PsycInfo Database Record (c) 2026 APA, all rights reserved).
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