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The factorial structure of the Suicide Intent Scale: a comparative study in clinical samples from 11 European regions.
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2008 (English)In: International Journal of Methods in Psychiatric Research, ISSN 1049-8931, E-ISSN 1557-0657, Vol. 17, no 2, 63-79 p.Article in journal (Refereed) Published
Abstract [en]

Although the Suicide Intent Scale (SIS) is a widely used instrument in research on suicidal behavior, comparative research on the latent structure of the SIS has been neglected. To determine whether a general factor model of the SIS is supported, alternative factor models of the SIS were evaluated comparatively in 11 clinical samples. The SIS was applied as part of a structured clinical interview to patients after an episode of non-fatal suicidal behavior. The samples were drawn from 11 study centers within the frame of the WHO/EURO multicenter study on suicidal behavior. Three different two-factor and two three-factor models of the SIS were examined in each sample using principal component analysis with orthogonal Procrustes rotation. The factorial structure of the 'subjective part' of the SIS (items 9-14) was strongly supported, whereas an acceptable model fit for the 'objective part' was not found. Possible future revisions of 'objective' SIS items may be worth consideration. As a limitation, the results of the study might not generalize to other samples that use different definitions of non-fatal suicidal behavior.

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2008. Vol. 17, no 2, 63-79 p.
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URN: urn:nbn:se:umu:diva-41022DOI: 10.1002/mpr.231PubMedID: 18350510OAI: oai:DiVA.org:umu-41022DiVA: diva2:404237
Available from: 2011-03-16 Created: 2011-03-16 Last updated: 2011-03-16

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Salander Renberg, Ellinor

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  • de-DE
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  • en-US
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  • nn-NO
  • nn-NB
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  • Other locale
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  • asciidoc
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