Bifactor structural model of symptom checklists

SCL-90-R and Brief Symptom Inventory (BSI) in a non-clinical community sample

R. Urbán, Bernadette Kun, J. Farkas, Borbála Paksi, Gyöngyi Kökönyei, Zsolt Unoka, Katalin Felvinczi, Attila Oláh, Z. Demetrovics

Research output: Contribution to journalArticle

55 Citations (Scopus)

Abstract

The Derogatis symptom checklist (SCL-90-R) and its short version, the Brief Symptom Inventory (BSI), are widely used instruments, despite the fact that their factor structures were not clearly confirmed. The goals of this research were to compare four measurement models of these instruments including one-factor, nine-factor, a second-ordered factor model and a bifactor model, in addition to testing the gender difference in symptom factors in a community sample. SCL-90-R was assessed in a large community survey which included 2710 adults who represent the population of Hungary. Statistical analyses included a series of confirmatory factor analyses and multiple indicator multiple cause (MIMIC modeling). The responses to items were treated as ordinal scales. The analysis revealed that the bifactor model yielded the closest fit in both the full SCL-90-R and BSI; however the nine-factor model also had an acceptable level of fit. As for the gender differences, women scored higher on global severity, somatization, obsession-compulsion, interpersonal sensitivity, depression and anxiety factors. Men scored higher on hostility and psychoticism. The bifactor model of symptom checklist supports the concept of global symptom severity and specific symptom factors. Global symptom severity explains the large correlations between symptom factors.

Original languageEnglish
Pages (from-to)146-154
Number of pages9
JournalPsychiatry Research
Volume216
Issue number1
DOIs
Publication statusPublished - Apr 30 2014

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Structural Models
Checklist
Obsessive Behavior
Equipment and Supplies
Hostility
Hungary
Statistical Factor Analysis
Anxiety
Depression
Research
Population
Surveys and Questionnaires

Keywords

  • Bifactor model
  • Brief Symptom Inventory (BSI)
  • Confirmatory factor analysis
  • Gender differences
  • Symptom checklist (SCL-90-R)

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Biological Psychiatry
  • Medicine(all)

Cite this

Bifactor structural model of symptom checklists : SCL-90-R and Brief Symptom Inventory (BSI) in a non-clinical community sample. / Urbán, R.; Kun, Bernadette; Farkas, J.; Paksi, Borbála; Kökönyei, Gyöngyi; Unoka, Zsolt; Felvinczi, Katalin; Oláh, Attila; Demetrovics, Z.

In: Psychiatry Research, Vol. 216, No. 1, 30.04.2014, p. 146-154.

Research output: Contribution to journalArticle

Urbán, R. ; Kun, Bernadette ; Farkas, J. ; Paksi, Borbála ; Kökönyei, Gyöngyi ; Unoka, Zsolt ; Felvinczi, Katalin ; Oláh, Attila ; Demetrovics, Z. / Bifactor structural model of symptom checklists : SCL-90-R and Brief Symptom Inventory (BSI) in a non-clinical community sample. In: Psychiatry Research. 2014 ; Vol. 216, No. 1. pp. 146-154.
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