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. 2021 Mar 25;20(1):49.
doi: 10.1186/s12904-021-00745-y.

Short-form quality care questionnaire-palliative care has acceptable measurement properties in Brazilian cancer patients

Vinício Dos Santos Barros  1 , Daniela Bassi-Dibai  2 , André Pontes-Silva  3 , Laíla Silva Linhares Barros  4 , Adriana Sousa Rêgo  2 , Cid André Fidelis-de-Paula-Gomes  5 , Almir Vieira Dibai-Filho  6   7   8
Affiliations

Short-form quality care questionnaire-palliative care has acceptable measurement properties in Brazilian cancer patients

Vinício Dos Santos Barros et al. BMC Palliat Care. .

Abstract

Background: Our objective was to perform the translation, cross-cultural adaptation, and validation of the Quality Care Questionnaire-Palliative Care (QCQ-PC) into Brazilian Portuguese for cancer patients in palliative care. The translation and cross-cultural adaptation comprised the following stages: translation, synthesis of translations, back-translation, analysis by a committee of experts, testing of the pre-final version, and definition of the final version. The evaluated measurement properties were: structural validity using factor analysis, test-retest reliability using the intraclass correlation coefficient (ICC), internal consistency using Cronbach's alpha, and construct validity using the correlations between the QCQ-PC and other questionnaires already validated in Brazil.

Results: Two hundred and twenty-five cancer patients were included for validity analyses, and a subsample of 30 patients was used for test-retest reliability. The most adequate fit indexes were for the short version of the QCQ-PC (SF-QCQ-PC), with two domains and 12 items. There was adequate reliability and internal consistency, with values of the ICC ≥ 0.83 and Cronbach's alpha ≥0.82. There were correlations > 0.30 between the SF-QCQ-PC and the Karnofsky Performance Scale, the Palliative Prognostic Index, the sadness domain of the Edmonton Symptom Assessment System, the Barthel Index, and all domains related to the McGill Quality of Life Questionnaire and the European Organization for Research in the Treatment of Cancer Questionnaire-core.

Conclusion: The short version of the SF-QCQ-PC has acceptable psychometric properties for use in Brazil.

Keywords: Palliative care; Quality of health care; Surveys and questionnaires.

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Conflict of interest statement

None.

Figures

Fig. 1
Fig. 1
Scree plot with the definition of two factors by the parallel analysis of the Quality Care Questionnaire-Palliative Care (QCQ-PC)
Fig. 2
Fig. 2
Path diagram with factor loads for each domain of the Short-Form Quality Care Questionnaire-Palliative Care (SF-QCQ-PC). F1: Communication with health professionals; F2: Care and assistance provided by health professionals
See this image and copyright information in PMC

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