Latent structure of the Post-Traumatic Stress Disorder (PTSD) Checklist for DSM-5 (PCL-5) in South African mortuary workers

Abstract

This study applied confirmatory factor analysis (CFA) to determine the dimensionality of PTSD symptoms as measured by the Post-Traumatic Stress Disorder Checklist for DSM-5 (PCL-5, Weathers et al., 2013). Participants were 150 trauma-exposed mortuary workers. Six alternative factor solutions resulted from the CFA; including Dysphoria model (four-factor), Dysphoric Arousal model (five-factor), Anhedonia model (six-factor), Externalising model (six-factor), and Hybrid model (seven-factor). Compared to the other models, the five-factor Dysphoric Arousal model had superior fit to the data. Overall, the current results provide evidence for the factorial validity and reliability of scores for the PCL-5 for research use in the South African context.