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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
A multicenter international prospective study of the validity and reliability of a COVID-19-specific health-related quality of life questionnaire
Quality of Life Research, Volume 32, No. 2, Year 2023
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Description
Purpose: To develop and validate a health-related quality of life (HRQoL) questionnaire for patients with current or previous coronavirus disease (COVID-19) in an international setting. Methods: This multicenter international methodology study followed standardized guidelines for a four-phase questionnaire development. Here, we report on the pretesting and validation of our international questionnaire. Adults with current or previous COVID-19, in institutions or at home were eligible. In the pretesting, 54 participants completed the questionnaire followed by interviews to identify administration problems and evaluate content validity. Thereafter, 371 participants completed the revised questionnaire and a debriefing form to allow preliminary psychometric analysis. Validity and reliability were assessed (correlation-based methods, Cronbach’s α, and intra-class correlation coefficient). Results: Eleven countries within and outside Europe enrolled patients. From the pretesting, 71 of the 80 original items fulfilled the criteria for item-retention. Most participants (80%) completed the revised 71-item questionnaire within 15 min, on paper (n = 175) or digitally (n = 196). The final questionnaire included 61 items that fulfilled criteria for item retention or were important to subgroups. Item-scale correlations were > 0.7 for all but nine items. Internal consistency (range 0.68–0.92) and test–retest results (all but one scale > 0.7) were acceptable. The instrument consists of 15 multi-item scales and six single items. Conclusion: The Oslo COVID-19 QLQ-W61© is an international, stand-alone, multidimensional HRQoL questionnaire that can assess the symptoms, functioning, and overall quality of life in COVID-19 patients. It is available for use in research and clinical practice. Further psychometric validation in larger patient samples will be performed.
Available Materials
https://efashare.b-cdn.net/share/pmc/articles/PMC9589865/bin/11136_2022_3272_MOESM1_ESM.docx
https://efashare.b-cdn.net/share/pmc/articles/PMC9589865/bin/11136_2022_3272_MOESM2_ESM.xls
https://efashare.b-cdn.net/share/pmc/articles/PMC9589865/bin/11136_2022_3272_MOESM3_ESM.docx
Authors & Co-Authors
Amdal, Cecilie Delphin
Norway, Oslo
Oslo Universitetssykehus
Falk, Ragnhild Sørum
Norway, Oslo
Oslo Universitetssykehus
Singer, Susanne
Germany, Mainz
Universitätsmedizin Mainz
Pe, Madeline
Belgium, Brussels
European Organisation for Research and Treatment of Cancer
Piccinin, Claire
Belgium, Brussels
European Organisation for Research and Treatment of Cancer
Bottomley, Andrew D.
Belgium, Brussels
European Organisation for Research and Treatment of Cancer
Appiah, Lambert Tetteh
Ghana, Kumasi
Komfo Anokye Teaching Hospital
Arrarás, Juan Ignacio
Spain, Pamplona
Servicio Navarro de Salud
Bayer, Oliver
Germany, Mainz
Universitätsmedizin Mainz
Buanes, Eirik Alnes
Norway, Bergen
Haukeland Universitetssjukehus
Darlington, Anne Sophie
United Kingdom, Southampton
University of Southampton
Arbanas, Gracia Dekanic
Croatia, Rijeka
Klinički Bolnički Centar Rijeka
Hofsø, Kristin
Norway, Oslo
Oslo Universitetssykehus
Norway, Oslo
Lovisenberg Diaconal University College
Holzner, Bernhard
Austria, Innsbruck
Medizinische Universitat Innsbruck
Sahlstrand-Johnson, Pernilla
Sweden, Lund
Skånes Universitetssjukhus
Kuliś, Dagmara
Belgium, Brussels
European Organisation for Research and Treatment of Cancer
Parmar, Ghansyam
India, Vadodara
Sumandeep Vidyapeeth
Rmeileh, Niveen M.E.Abu
Palestine, Birzeit
Birzeit University
Schranz, Melanie
Germany, Mainz
Universitätsmedizin Mainz
Sodergren, Samantha
United Kingdom, Southampton
University of Southampton
Bjordal, Kristin
Norway, Oslo
Oslo Universitetssykehus
Norway, Oslo
Medisinske Fakultet
Statistics
Citations: 21
Authors: 21
Affiliations: 14
Identifiers
Doi:
10.1007/s11136-022-03272-2
ISSN:
09629343
e-ISSN:
15732649
Research Areas
Covid
Disability
Health System And Policy
Study Design
Cohort Study