Thoresen, Siri, Tambs, Kristian, Hussain, Ajmal, Heir, Trond, Johansen, Venke and Bisson, Jonathan Ian  ORCID: https://orcid.org/0000-0001-5170-1243
      2009.
      
      Brief measure of posttraumatic stress reactions: impact of Event Scale-6.
      Social psychiatry and psychiatric epidemiology
      45
      
        (3)
      
      , pp. 405-412.
      
      10.1007/s00127-009-0073-x
    
  
  
       
       
     
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Abstract
Background The Impact of Event Scale-revised (IES-R) is one of the most widely used measures of posttraumatic stress reactions. However, for some purposes, such as large epidemiological studies, there is a need for briefer instruments. The aim of this study was to develop and validate an abbreviated version of the IES-R that could capture the three current symptom clusters of posttraumatic stress disorder (PTSD). Methods Stepwise multiple regression was applied to abbreviate the IES-R in one sample. The abbreviated version was then tested in three separate samples of individuals exposed to different kinds of potentially traumatic events. Agreement with a reference measure of PTSD, the PTSD checklist (PCL), was calculated for the abbreviated and the full-scale versions of IES. Results The abbreviation procedure resulted in a subset of six items (the IES-6), which correlated highly (pooled correlation = 0.95) with the IES-R across samples. Correlations between the IES-6 and IES-R subscales were somewhat lower (r = 0.78–0.94). Both the IES-6 and IES-R were in high agreement with the PCL. Conclusion The IES-6 appears to be a robust brief measure of posttraumatic stress reactions. It may be useful for research in epidemiological studies, and it may also have a role as a screening instrument in clinical practice.
| Item Type: | Article | 
|---|---|
| Date Type: | Publication | 
| Status: | Published | 
| Schools: | Schools > Medicine Research Institutes & Centres > MRC Centre for Neuropsychiatric Genetics and Genomics (CNGG)  | 
      
| Subjects: | R Medicine > R Medicine (General) R Medicine > RC Internal medicine > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry  | 
      
| Uncontrolled Keywords: | Stress disorders; Posttraumatic; Instrumentation; Epidemiology; Questionnaires | 
| Publisher: | Springer | 
| ISSN: | 0933-7954 | 
| Last Modified: | 19 Oct 2022 10:02 | 
| URI: | https://orca.cardiff.ac.uk/id/eprint/22999 | 
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