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Development of the Melanoma Concerns Questionnaire (MCQ-28); refinement of the EORTC QLQ-MEL38 module.
- Source :
-
Psycho-oncology [Psychooncology] 2020 Feb; Vol. 29 (2), pp. 321-330. Date of Electronic Publication: 2019 Dec 04. - Publication Year :
- 2020
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Abstract
- Objective: Few patient-reported outcome measures (PROMs) have been developed that adequately measure the patient-experience following diagnosis and treatment of melanoma. Building on previous research, which developed the European Organisation for Research and Treatment of Cancer (EORTC) Quality of Life Module (QLQ-MEL38), the aim of this study was to further test the hypothesised domain structure and psychometric properties of the phase 3 module, in a new larger sample of melanoma patients.<br />Methods: Melanoma patients (n = 270) were recruited from four countries (Australia, England, Serbia, and Spain). Patients completed the EORTC core questionnaire (QLQ-C30), the QLQ-MEL38, and a sociodemographic survey. Using this new larger dataset, comparisons were made with the hypothesised domain structure of the EORTC phase 3 module using principal component analysis. Items which formed subscales in a revised domain structure were then tested for goodness of fit (GoF) to the Rasch model.<br />Results: The original hypothesised and final domain structures were similar but not identical. Twenty-four items (83%) loaded onto the same distinct subscales previously generated by phase 3, and item-by-item comparison of the two pattern matrices indicated an extremely close match. Ten items were removed from the QLQ-MEL38 phase 3 module, and rescoring of some items was required. Four subscales, together with five individual items, comprised the final instrument.<br />Conclusion: The newly developed measure (named the Melanoma Concerns Questionnaire; MCQ-28) was found to tap into several important psychosocial domains of concern to melanoma patients, particularly those being managed in "usual" clinic settings.<br /> (© 2019 John Wiley & Sons, Ltd.)
Details
- Language :
- English
- ISSN :
- 1099-1611
- Volume :
- 29
- Issue :
- 2
- Database :
- MEDLINE
- Journal :
- Psycho-oncology
- Publication Type :
- Academic Journal
- Accession number :
- 31652387
- Full Text :
- https://doi.org/10.1002/pon.5251