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Psychometric properties of the psychosocial screening instrument for physical trauma patients (PSIT)

Health and quality of life outcomes, 2019-11, Vol.17 (1), p.172-172, Article 172 [Peer Reviewed Journal]

COPYRIGHT 2019 BioMed Central Ltd. ;The Author(s). 2019 ;ISSN: 1477-7525 ;EISSN: 1477-7525 ;DOI: 10.1186/s12955-019-1234-6 ;PMID: 31718663

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  • Title:
    Psychometric properties of the psychosocial screening instrument for physical trauma patients (PSIT)
  • Author: Karabatzakis, Maria ; Den Oudsten, Brenda Leontine ; Gosens, Taco ; De Vries, Jolanda
  • Subjects: Adult ; Analysis ; Anxiety - diagnosis ; Anxiety - etiology ; Cognitive disorders ; Emergency medical services ; Female ; Health surveys ; Humans ; Injury ; Male ; Middle Aged ; Physical trauma ; Psychological aspects ; Psychometrics - methods ; Psychosocial problems ; Public health ; Quality of Life ; Reliability ; Reproducibility of Results ; Screening instrument ; Sensitivity and Specificity ; Stress Disorders, Post-Traumatic - diagnosis ; Stress Disorders, Post-Traumatic - etiology ; Surveys and Questionnaires - standards ; Validity ; World health ; Wounds and Injuries - complications ; Wounds and Injuries - psychology ; Young Adult
  • Is Part Of: Health and quality of life outcomes, 2019-11, Vol.17 (1), p.172-172, Article 172
  • Description: Early detection of psychosocial problems post-injury may prevent them from becoming chronic. Currently, there is no psychosocial screening instrument that can be used in patients surviving a physical trauma or injury. Therefore, we recently developed a psychosocial screening instrument for adult physical trauma patients, the PSIT. The aim of this study was to finalize and psychometrically examine the PSIT. All adult (≥ 18 years) trauma patients admitted to a Dutch level I trauma center from October 2016 through September 2017 without severe cognitive disorders (n = 1448) received the PSIT, Impact of Events Scale-Revised (IES-R), Patient Health Questionnaire-9 (PHQ-9), Rosenberg Self-Esteem Scale (RSES), State-Trait Anxiety Inventory-State (STAI-S), and the World Health Organization Quality of Life-Abbreviated version (WHOQOL-Bref). After 2 weeks, a subgroup of responding participants received the PSIT a second time. The internal structure (principal components analysis, PCA; and confirmatory factor analysis, CFA), internal consistency (Cronbach's alpha, α), test-retest reliability (Intraclass Correlation Coefficient, ICC), construct validity (Spearman's rho correlations), diagnostic accuracy (Area Under the Curve, AUC), and potential cut-off values (sensitivity and specificity) were examined. A total of 364 (25.1%) patients participated, of whom 128 completed the PSIT again after 19.5 ± 6.8 days. Test-retest reliability was good (ICC = 0.86). Based on PCA, five items were removed because of cross-loadings ≥ 0.3. Three subscales were identified: (1) Negative affect (7 items; α = 0.91; AUC = 0.92); (2) Anxiety and Post-Traumatic Stress Symptoms (4 items; α = 0.77; AUC = 0.88); and (3) Social and self-image (4 items; α = 0.79; AUC = 0.92). CFA supported this structure (comparative fit index = 0.96; root mean square error of approximation = 0.06; standardized rood mean square residual = 0.04). Four of the five a priori formulated hypotheses regarding construct validity were confirmed. The following cut-off values represent maximum sensitivity and specificity: 7 on subscale 1 (89.6% and 83.4%), 3 on subscale 2 (94.4% and 90.3%), and 4 on subscale 3 (85.7% and 90.7%). The final PSIT has good psychometric properties in adult trauma patients.
  • Publisher: England: BioMed Central Ltd
  • Language: English
  • Identifier: ISSN: 1477-7525
    EISSN: 1477-7525
    DOI: 10.1186/s12955-019-1234-6
    PMID: 31718663
  • Source: DOAJ Directory of Open Access Journals
    GFMER Free Medical Journals
    MEDLINE
    PubMed Central
    ROAD: Directory of Open Access Scholarly Resources
    ProQuest Central
    Springer Nature OA Free Journals
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