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Validation of the Internet-Administered Quality of Life Inventory (QOLI) in Different Psychiatric Conditions
Karolinska Institutet, Stockholm, Sweden .
Linköping University, Department of Behavioural Sciences and Learning, Psychology. Linköping University, Faculty of Arts and Sciences.ORCID iD: 0000-0003-4753-6745
Stockholm University, Sweden .
Stockholm University, Sweden .
2013 (English)In: Cognitive behaviour therapy, ISSN 1651-2316, Vol. 42, no 4, 315-327 p.Article in journal (Refereed) Published
Abstract [en]

The Quality of Life Inventory (QOLI) is an established rating scale of self-perceived quality of life across 16 domains. Norms for different psychiatric conditions when rated via the Internet, responsiveness to change following treatment, and the clinical impact of importance-weighting items have yet to be examined. To investigate these unanswered questions, important for the continued and expanded use of the QOLI, we compiled archival screening and post-treatment data from 20 studies featuring Internet-delivered psychological interventions for seven different psychiatric conditions and an undergraduate sample, totalling over 4000 participants. Disorder-specific norms were indicated by between-group analyses and are reported here, item-by-item. The QOLI showed adequate responsiveness to change and construct validity. Discrepancies were found when conducting between-group analyses with and without weighted items (more significant differences when items were not weighted) on both the screening and post-treatment data, suggesting that weighting is a procedure that is likely to have an impact when analysing QOLI results. Limitations and the needs for future research are discussed.

Place, publisher, year, edition, pages
Routledge, 2013. Vol. 42, no 4, 315-327 p.
National Category
Applied Psychology
URN: urn:nbn:se:liu:diva-96840DOI: 10.1080/16506073.2013.806584ISI: 000329983400008PubMedID: 23837710OAI: diva2:643548
Available from: 2013-08-27 Created: 2013-08-27 Last updated: 2014-11-28

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Andersson, Gerhard
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PsychologyFaculty of Arts and Sciences
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