title: Dimensionality of the PTSD Checklist in a Canadian Aboriginal Sample.
abstract: The PTSD Checklist-Civilian Version (PCL-C) is a widely used screening instrument measuring posttraumatic stress disorder (PTSD). However, to our knowledge, the factor structure of the PCL-C has not been examined in an Aboriginal population. Considerable research indicates that PTSD symptoms are characterized by 4 factors, with both the "King model" and the "Simms model" supported by the literature.
  
  
  
  Using confirmatory factor analysis on the PCL-C, we examined whether these models and the overall scale were supported in an Aboriginal community sample (N = 273).
  
  
  
  The data supported both models. However, the 4 factors were highly correlated, providing some support for a 1-factor model as well.
  
  
  
  Our data support use of the PCL-C in Aboriginal health research.
authors.forename: Melissa A
authors.initials: MA
authors.lastname: MacLeod
authors.forename: Julie
authors.initials: J
authors.lastname: George
authors.forename: Paul F
authors.initials: PF
authors.lastname: Tremblay
authors.forename: Tara
authors.initials: T
authors.lastname: Elton-Marshall
authors.forename: David
authors.initials: D
authors.lastname: DeWit
authors.forename: Kathryn
authors.initials: K
authors.lastname: Graham
authors.forename: Samantha
authors.initials: S
authors.lastname: Wells
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002170:Canada; D005260:Female; D006303:Health Services, Indigenous; D006801:Humans; D020407:Internet; D008297:Male; D008875:Middle Aged; D044382:Population Groups; D011594:Psychometrics / Q000592:standards*; D015203:Reproducibility of Results; D013313:Stress Disorders, Post-Traumatic / Q000208:ethnology / Q000451:nursing / Q000523:psychology*; D011795:Surveys and Questionnaires / Q000592:standards; D055815:Young Adult