Testing the dimensional structure ofDSM-5posttraumatic stress disorder symptoms in a nonclinical trauma-exposed adolescent sample

Liyong Liu, Li Wang, Chengqi Cao, Yulan Qing, Cherie Armour

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

BACKGROUND:The current study investigated the underlying dimensionality of DSM-5 posttraumatic stress disorder (PTSD) symptoms in a trauma-exposed Chinese adolescent sample using a confirmatory factor analytic (CFA) alternative model approach.METHODS:The sample consisted of 559 students (242 females and 314 males) ranging in age from 12 to 18 years (M = 15.8, SD = 1.3). Participants completed the PTSD Checklist for DSM-5, the Major Depression Disorder and Panic Disorder subscales of the Revised Children's Anxiety and Depression Scale, and the Aggressive Behavior subscale of the Youth Self-Report.RESULTS:Confirmatory factor analytic results indicated that a seven-factor model comprised of intrusion, avoidance, negative affect, anhedonia, externalizing behavior, anxious arousal, and dysphoric arousal factors emerged as the best-fitting model. Further analyses showed that the external measures of psychopathological variables including major depressive disorder, panic disorder, and aggressive behavior were differentially associated with the resultant factors.CONCLUSIONS:These findings support and extend previous findings for the newly refined seven-factor hybrid model, and carry clinical and research implications for trauma-related psychopathology.
Original languageEnglish
Pages (from-to)204-212
JournalJournal of Child Psychology and Psychiatry
Volume57
Issue number2
DOIs
Publication statusPublished - 2015

Keywords

  • China
  • DSM-5
  • Posttraumatic stress disorder
  • adolescents
  • confirmatory factor analysis

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