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Quality of Life Research
Gepubliceerd in:

01-02-2013

Construct validity of the EORTC quality of life questionnaire information module

Auteurs: Susanne Singer, Philipp M. Engelberg, Gregor Weißflog, Susanne Kuhnt, Jochen Ernst

Gepubliceerd in: Quality of Life Research | Uitgave 1/2013

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Abstract

Purpose

Providing sufficient information about diagnosis and treatment is an important feature of high-quality patient care in oncology. To measure patient satisfaction with information received, the European Organisation for Research and Treatment of Cancer Quality of Life Group has recently developed a new tool, the information module (INFO25). The aim of this study was to evaluate the scale structure of the INFO25.

Methods

A total of n = 423 patients completed the INFO25 after finishing cancer therapy. The internal consistency of multi-item subscales was calculated using Cronbach’s Alpha. The scale structure was evaluated using multi-trait methods and confirmatory factor analysis.

Results

Cronbach’s Alpha of the multi-item scales ranged from 0.79 to 0.88. Only two items correlated somewhat higher with another scale than with their own, indicating a good scale structure. Construct validity with latent variable models, including a general information factor and four multi-item scales, resulted in the following fit indices CFI = 0.96, RMSEA = 0.08, TLI = 0.99 and WRMR = 1.03.

Conclusion

The suggested construct of the INFO25 with a total score (general factor) in addition to the subscales is valid.
vorige artikel The Caregivers Quality of Life Cancer index scale (CQoLC): an exploratory factor analysis for validation in French cancer patients’ spouses
volgende artikel Validation of a new patient-generated questionnaire for quality of life in an urban sample of elder residents
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Metagegevens
Titel
Construct validity of the EORTC quality of life questionnaire information module
Auteurs
Susanne Singer
Philipp M. Engelberg
Gregor Weißflog
Susanne Kuhnt
Jochen Ernst
Publicatiedatum
01-02-2013
Uitgeverij
Springer Netherlands
Gepubliceerd in
Quality of Life Research / Uitgave 1/2013
Print ISSN: 0962-9343
Elektronisch ISSN: 1573-2649
DOI
https://doi.org/10.1007/s11136-012-0114-x

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