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Evaluation of the Swedish Trauma Symptom Inventory -2 in a clinical and a studnet population
Linköping University, Department of Behavioural Sciences and Learning, Psychology. Linköping University, Faculty of Arts and Sciences. Region Östergötland, Local Health Care Services in Central Östergötland, Department of Child and Adolescent Psychiatry in Linköping.
Linköping University, Department of Behavioural Sciences and Learning, Disability Research. Linköping University, Faculty of Arts and Sciences. Linköping University, The Swedish Institute for Disability Research.ORCID iD: 0000-0002-3955-0443
Linköping University, Department of Clinical and Experimental Medicine, Center for Social and Affective Neuroscience. Linköping University, Faculty of Medicine and Health Sciences.
National centre for disaster psychiatry, department of neuroscience, Uppsala university, Uppsala, Sweden.
2018 (English)In: European Journal of Trauma and Dissociation, ISSN 2468-7499, Vol. 2, no 2, p. 71-82Article in journal (Refereed) Published
Abstract [en]

Introduction. – The Trauma Symptom Inventory-2 (TSI-2) is a broad-spectrum assessment instrumentdesigned to identify symptoms that can appear in the aftermath of potentially traumatic experiences.

Objective. – This study aimed to evaluate the external and internal validity of this newly reconstructedinstrument.Method. – In total, 696 individuals participated in the study, including 83 psychiatric outpatients. Participants answered the TSI-2, together with a trauma history questionnaire, and other questionnairesassumed to correlate with the different scales included in the TSI-2.

Results. – Validity was evaluated by correlations between the TSI-2 and the other instruments and bythe differences between clinical and non-clinical populations. Reliability was calculated by testinginternal consistency and test-re-test reliability. A confirmatory factor analysis (CFA) was computed totest the postulated four-factor structure. Cronbach’s alpha was found to be good and ranged froma = .77 to .91 and test-retest reliability was strong. Strong to satisfactory correlations were foundbetween the TSI-2 and the other instruments. The student sample scored significantly lower than theclinical group on all clinical scales. Sensitivity and specificity were calculated with different cut-offscores.

Conclusion. – Despite the CFA demonstrating a questionably good model of fit, most of the scales provedto be sound and the TSI-2 could be recommended as a broad-spectrum assessment instrument.

Place, publisher, year, edition, pages
Elsevier, 2018. Vol. 2, no 2, p. 71-82
Keywords [en]
Trauma Symptom Inventory-2, Adults, Validity, Reliability, Trauma, Psychiatry
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:liu:diva-151016DOI: 10.1016/j.ejtd.2017.10.006OAI: oai:DiVA.org:liu-151016DiVA, id: diva2:1247090
Available from: 2018-09-11 Created: 2018-09-11 Last updated: 2019-05-02Bibliographically approved

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Nilsson, DorisDahlström, ÖrjanWadsby, Marie

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PsychologyFaculty of Arts and SciencesDepartment of Child and Adolescent Psychiatry in LinköpingDisability ResearchThe Swedish Institute for Disability ResearchCenter for Social and Affective NeuroscienceFaculty of Medicine and Health Sciences
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