The factor structure of complex posttraumatic stress disorder in traumatized refugees

Background: The construct of complex posttraumatic stress disorder (CPTSD) has attracted much research attention in previous years, however it has not been systematically evaluated in individuals exposed to persecution and displacement. Given that CPTSD has been proposed as a diagnostic category in...

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Main Authors: Angela Nickerson, Marylene Cloitre, Richard A Bryant, Ulrich Schnyder, Naser Morina, Matthis Schick
Format: Article
Language:English
Published: Taylor & Francis Group 2016-12-01
Series:European Journal of Psychotraumatology
Subjects:
Online Access:http://www.ejpt.net/index.php/ejpt/article/view/33253/50606
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author Angela Nickerson
Marylene Cloitre
Richard A Bryant
Ulrich Schnyder
Naser Morina
Matthis Schick
author_facet Angela Nickerson
Marylene Cloitre
Richard A Bryant
Ulrich Schnyder
Naser Morina
Matthis Schick
author_sort Angela Nickerson
collection DOAJ
description Background: The construct of complex posttraumatic stress disorder (CPTSD) has attracted much research attention in previous years, however it has not been systematically evaluated in individuals exposed to persecution and displacement. Given that CPTSD has been proposed as a diagnostic category in the ICD-11, it is important that it be examined in refugee groups. Objective: In the current study, we proposed to test, for the first time, the factor structure of CPTSD proposed for the ICD-11 in a sample of resettled treatment-seeking refugees. Method: The study sample consisted of 134 traumatized refugees from a variety of countries of origin, with approximately 93% of the sample having been exposed to torture. We used confirmatory factor analysis to examine the factor structure of CPTSD in this sample and examined the sensitivity, specificity, positive predictive power and negative predictive power of individual items in relation to the CPTSD diagnosis. Results: Findings revealed that a two-factor higher-order model of CPTSD comprising PTSD and Difficulties in Self-Organization (χ2 (47)=57.322, p=0.144, RMSEA=0.041, CFI=0.981, TLI=0.974) evidenced superior fit compared to a one-factor higher-order model of CPTSD (χ2 (48)=65.745, p=0.045, RMSEA=0.053, CFI=0.968, TLI=0.956). Overall, items evidenced strong sensitivity and negative predictive power, moderate positive predictive power, and poor specificity. Conclusions: Findings provide preliminary evidence for the validity of the CPTSD construct with highly traumatized treatment-seeking refugees. Highlights of the article:
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spelling doaj.art-d70f2103de364c31a5ae9be085c6e74b2022-12-22T00:17:33ZengTaylor & Francis GroupEuropean Journal of Psychotraumatology2000-80662016-12-017011210.3402/ejpt.v7.3325333253The factor structure of complex posttraumatic stress disorder in traumatized refugeesAngela Nickerson0Marylene Cloitre1Richard A Bryant2Ulrich Schnyder3Naser Morina4Matthis Schick5 School of Psychology, UNSW Australia, Sydney, NSW, Australia National Center for PTSD Dissemination and Training Division, Palo Alto, California, USA School of Psychology, UNSW Australia, Sydney, NSW, Australia Department of Psychiatry and Psychotherapy, Zurich University Hospital, Zurich, Switzerland Department of Psychiatry and Psychotherapy, Zurich University Hospital, Zurich, Switzerland Department of Psychiatry and Psychotherapy, Zurich University Hospital, Zurich, SwitzerlandBackground: The construct of complex posttraumatic stress disorder (CPTSD) has attracted much research attention in previous years, however it has not been systematically evaluated in individuals exposed to persecution and displacement. Given that CPTSD has been proposed as a diagnostic category in the ICD-11, it is important that it be examined in refugee groups. Objective: In the current study, we proposed to test, for the first time, the factor structure of CPTSD proposed for the ICD-11 in a sample of resettled treatment-seeking refugees. Method: The study sample consisted of 134 traumatized refugees from a variety of countries of origin, with approximately 93% of the sample having been exposed to torture. We used confirmatory factor analysis to examine the factor structure of CPTSD in this sample and examined the sensitivity, specificity, positive predictive power and negative predictive power of individual items in relation to the CPTSD diagnosis. Results: Findings revealed that a two-factor higher-order model of CPTSD comprising PTSD and Difficulties in Self-Organization (χ2 (47)=57.322, p=0.144, RMSEA=0.041, CFI=0.981, TLI=0.974) evidenced superior fit compared to a one-factor higher-order model of CPTSD (χ2 (48)=65.745, p=0.045, RMSEA=0.053, CFI=0.968, TLI=0.956). Overall, items evidenced strong sensitivity and negative predictive power, moderate positive predictive power, and poor specificity. Conclusions: Findings provide preliminary evidence for the validity of the CPTSD construct with highly traumatized treatment-seeking refugees. Highlights of the article:http://www.ejpt.net/index.php/ejpt/article/view/33253/50606Refugeestortureposttraumatic stress disorderPTSD
spellingShingle Angela Nickerson
Marylene Cloitre
Richard A Bryant
Ulrich Schnyder
Naser Morina
Matthis Schick
The factor structure of complex posttraumatic stress disorder in traumatized refugees
European Journal of Psychotraumatology
Refugees
torture
posttraumatic stress disorder
PTSD
title The factor structure of complex posttraumatic stress disorder in traumatized refugees
title_full The factor structure of complex posttraumatic stress disorder in traumatized refugees
title_fullStr The factor structure of complex posttraumatic stress disorder in traumatized refugees
title_full_unstemmed The factor structure of complex posttraumatic stress disorder in traumatized refugees
title_short The factor structure of complex posttraumatic stress disorder in traumatized refugees
title_sort factor structure of complex posttraumatic stress disorder in traumatized refugees
topic Refugees
torture
posttraumatic stress disorder
PTSD
url http://www.ejpt.net/index.php/ejpt/article/view/33253/50606
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