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The German version of the Pulmonary Embolism Quality of Life (PEmb-QoL) questionnaire: Reliability, responsiveness and structural validity.
Qual. Life Res. 31, 2235-2245 (2022)
Publ. Version/Full Text
Research data
DOI
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Purpose: The Pulmonary Embolism Quality of Life (PEmb-QoL) questionnaire is the only existing disease-specific instrument for measuring quality of life after pulmonary embolism (PE). It includes six dimensions: frequency of complaints, limitations in activities of daily living, work-related problems, social limitations, intensity of complaints and emotional complaints. The present study aimed to determine the psychometric properties including responsiveness and structural validity of the German version. Methods: The analysis used data from participants of the LEA cohort study at University Hospital Augsburg. The PEmb-QoL was administered via postal surveys 3, 6 and 12 months post-PE. Internal consistency and test–retest reliability were evaluated by calculating Cronbach’s alpha and intra-class correlation coefficients (ICC). Standardized response means (SRM) were calculated for investigating responsiveness. For evaluating the fit of the factor structure, confirmatory factor analysis (CFA) was conducted. Results: Overall, we used data from 299 patients 3 months after PE. Cronbach’s alpha (0.87–0.97) and ICC (0.53–0.90) were in an acceptable to good range. SRM scores showed good responsiveness of all dimensions. CFA revealed the four-factor model including one general factor to have a good model fit. Conclusion: Despite existing floor effect, most standard criteria of reliability and validity were met and indications for appropriateness of the PEmb-QoL summary score could be found. Apart from some restrictions concerning the factor structure and the dimension of social limitations, our results support the use of the PEmb-QoL questionnaire for evaluating PE-specific quality of life. Future studies should seek replication in different samples to ensure generalizability of the findings.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
Confirmatory Factor Analysis ; Health-related Quality Of Life ; Pemb-qol ; Psychometric Evaluation ; Pulmonary Embolism ; Questionnaire
ISSN (print) / ISBN
0962-9343
e-ISSN
1573-2649
Journal
Quality of Life Research
Quellenangaben
Volume: 31,
Issue: 7,
Pages: 2235-2245
Publisher
Springer
Non-patent literature
Publications
Reviewing status
Peer reviewed
Grants
Department of Cardiology