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Development of the Melanoma Concerns Questionnaire (MCQ-28); refinement of the EORTC QLQ-MEL38 module.

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Bibliographic Details
Title: Development of the Melanoma Concerns Questionnaire (MCQ-28); refinement of the EORTC QLQ-MEL38 module.
Authors: Winstanley, Julie (AUTHOR), White, Edward (AUTHOR), Saw, Robyn (AUTHOR), Young, Teresa (AUTHOR), Burmeister, Bryan (AUTHOR), Nikolic, Dejan (AUTHOR), Busto‐Cornide, Iria (AUTHOR), Iglesias‐Pena, Nicolás (AUTHOR), Boyle, Frances (AUTHOR), Busto-Cornide, Iria (AUTHOR), Iglesias-Pena, Nicolás (AUTHOR)
Source: Psycho-Oncology. Feb2020, Vol. 29 Issue 2, p321-330. 10p. 3 Charts, 1 Graph.
Subjects: Melanoma, Rasch models, Principal components analysis, Goodness-of-fit tests
Geographic Terms: Serbia
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.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.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.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. [ABSTRACT FROM AUTHOR]
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Database: Psychology and Behavioral Sciences Collection
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