Psychometric analysis of the brief symptom inventory 18 (BSI-18) in a representative German sample
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Psychometric analysis of the brief symptom inventory 18 (BSI-18) in a representative German sample. / Franke, Gabriele Helga; Jaeger, Susanne; Glaesmer, Heide; Barkmann, Claus; Petrowski, Katja; Braehler, Elmar.
In: BMC MED RES METHODOL, Vol. 17, No. 1, 26.01.2017, p. 14.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
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TY - JOUR
T1 - Psychometric analysis of the brief symptom inventory 18 (BSI-18) in a representative German sample
AU - Franke, Gabriele Helga
AU - Jaeger, Susanne
AU - Glaesmer, Heide
AU - Barkmann, Claus
AU - Petrowski, Katja
AU - Braehler, Elmar
PY - 2017/1/26
Y1 - 2017/1/26
N2 - BACKGROUND: The BSI-18 contains the three six-item scales somatization, depression, and anxiety as well as the Global Severity Index (GSI), including all 18 items. The BSI-18 is the latest and shortest of the multidimensional versions of the Symptom-Checklist 90-R, but its psychometric properties have not been sufficiently clarified yet.METHODS: Based on a representative sample of N = 2516 participants (aged 14-94 years), detailed psychometric analyses were carried out.RESULTS: The internal consistency was good: Somatization α = .82, Depression α = .87, Anxiety α = .84 and GSI α = .93. Confirmatory factor analysis supported the three scales as second-order and GSI as first-order factors. The model fit based on RMSEA is good but that model fit based on CFI and TLI are too low.CONCLUSIONS: Therefore, it is a very short, reliable instrument for the assessment of psychological distress. The BSI-18 can be used to reliably assess psychological distress in the general population. However, further studies need to evaluate the usefulness of standardization in clinical samples.
AB - BACKGROUND: The BSI-18 contains the three six-item scales somatization, depression, and anxiety as well as the Global Severity Index (GSI), including all 18 items. The BSI-18 is the latest and shortest of the multidimensional versions of the Symptom-Checklist 90-R, but its psychometric properties have not been sufficiently clarified yet.METHODS: Based on a representative sample of N = 2516 participants (aged 14-94 years), detailed psychometric analyses were carried out.RESULTS: The internal consistency was good: Somatization α = .82, Depression α = .87, Anxiety α = .84 and GSI α = .93. Confirmatory factor analysis supported the three scales as second-order and GSI as first-order factors. The model fit based on RMSEA is good but that model fit based on CFI and TLI are too low.CONCLUSIONS: Therefore, it is a very short, reliable instrument for the assessment of psychological distress. The BSI-18 can be used to reliably assess psychological distress in the general population. However, further studies need to evaluate the usefulness of standardization in clinical samples.
KW - Journal Article
U2 - 10.1186/s12874-016-0283-3
DO - 10.1186/s12874-016-0283-3
M3 - SCORING: Journal article
C2 - 28125960
VL - 17
SP - 14
JO - BMC MED RES METHODOL
JF - BMC MED RES METHODOL
SN - 1471-2288
IS - 1
ER -