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Development of a ve...
Development of a very brief scale for detecting and measuring panic disorder using two items from the Panic Disorder Severity Scale-Self Report
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- Forsell, Erik (författare)
- Karolinska Institutet
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- Kraepelien, Martin (författare)
- Karolinska Institutet
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- Blom, Kerstin (författare)
- Karolinska Institutet
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- Isacsson, Nils (författare)
- Karolinska Institutet
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- Jernelov, Susanna (författare)
- Karolinska Institutet
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- Svanborg, Cecilia (författare)
- Karolinska Institutet
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- Rosen, Ann (författare)
- Karolinska Institutet
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- Kaldo, Viktor (författare)
- Linnéuniversitetet,Institutionen för psykologi (PSY),Karolinska Institutet, Sweden;Stockholm County Council, Sweden,DISA
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(creator_code:org_t)
- Elsevier, 2019
- 2019
- Engelska.
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Ingår i: Journal of Affective Disorders. - : Elsevier. - 0165-0327 .- 1573-2517. ; 257, s. 615-622
- Relaterad länk:
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https://doi.org/10.1...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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http://kipublication...
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Abstract
Ämnesord
Stäng
- Objective: To minimize the burden in detecting and monitoring Panic Disorder and Agoraphobia by developing a very brief scale with selected items from the Panic Disorder Severity Scale-Self Report (PDSS-SR), and to investigate the proposed scale's psychometric properties in a comorbid sample. Methods: A sample of 5103 patients from the Internet Psychiatry Clinic in Sweden, diagnosed and treated with Internet-based cognitive behavioral therapy for panic disorder (n = 1390), social anxiety disorder (n = 1313) or depression (n = 2400), responded to the PDSS-SR. Six criteria related to factor structure, sensitivity to change and clinical representativeness were used to select items. Psychometric analyses for the selected very brief scale were performed. Results: Items 2 (distress during panic attacks) and 4 (agoraphobic avoidance), were selected to create the very brief PDSS-SR version. Correlations with the full scale were high at screening, pre and post, and for change (0.87-0.93). Categorical Omega was omega(c) = 0.74. With a cut-off of 3 points, the scale could detect panic disorder in a psychiatric sample with a sensitivity of 85% and a specificity of 66%. Limitations: Limitations include lack of healthy controls and lack of blinding on secondary outcome measures. Conclusion: The proposed 2-item PDSS-SR version is a good candidate for a very brief panic disorder questionnaire, both for detecting cases and for measuring change. This is especially useful in clinical settings when measuring more than one condition at a time.
Ämnesord
- SAMHÄLLSVETENSKAP -- Psykologi (hsv//swe)
- SOCIAL SCIENCES -- Psychology (hsv//eng)
Nyckelord
- Psychometrics
- Factor analysis
- Statistical
- Panic disorder
- Diagnostics
- Psychiatry
- Psychology
- Psykologi
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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