Vivat, B; (2017) The international phase 4 validation study of the EORTC QLQ-SWB32: a stand-alone measure of spiritual wellbeing (SWB) for people receiving palliative care for cancer. European Journal of Cancer Care , 26 (6) , Article e12697. 10.1111/ecc.12697.

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Text Vivat_%5C%5Cad.ucl.ac.uk%5Chome%5Crejubvi%5CDocuments%5CSWB%5Cvalidation paper%5CSWB32 validation paper post peer review March 2017.pdf - Accepted Version Download (1MB) | Preview

Abstract

The EORTC Quality of Life (QL) Group has just completed the final phase (field-testing and validation) of an international project to develop a stand-alone measure of spiritual wellbeing (SWB) for palliative cancer patients. Participants (n= 451) - from 14 countries on four continents; 54% female; 188 Christian, 50 Muslim, 156 with no religion - completed a provisional 36-item measure of SWB plus the EORTC QLQ-C15-PAL (PAL), then took part in a structured debriefing interview. All items showed good score distribution across response categories. We assessed scale structure using Principal Component Analysis and Rasch analysis, and explored construct validity, and convergent/divergent validity with the PAL. Twenty-two items in four scoring scales (Relationship with Self, Relationships with Others, Relationship with Something Greater, and Existential) explained 53% of the variance. The measure also includes a global SWB item and nine other items. Scores on the PAL global QL item and Emotional Functioning scale weakly-moderately correlated with scores on the global SWB item and two of the four SWB scales. This new validated 32-item SWB measure addresses a distinct aspect of QL, and is now available for use in research and clinical practice, with a role as both a measurement and an intervention tool.

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