Journal
PALLIATIVE MEDICINE
Volume 35, Issue 5, Pages 962-971Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/02692163211004403
Keywords
Palliative care; outcome measurement; qualitative research; organizational culture; survey methodology
Categories
Funding
- private foundation Ilse-Kubaschewski Stiftung
- ESRC [ES/S010327/1] Funding Source: UKRI
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The study aimed to develop a culturally adapted German version of the IPOS-Dem and determine its content validity through cognitive interviews. Results showed that the tool was considered comprehensive and accessible, but faced challenges in cultural adaptation, comprehension, and judgment. Most issues could be addressed through questionnaire modifications, but fundamental challenges remained for using proxy reported person-centered assessments.
Background: Dementia is a life-limiting disease with high symptom burden. The Integrated Palliative Care Outcome Scale for Dementia (IPOS-Dem) is the first comprehensive person-centered measure to identify and measure palliative care needs of people with dementia. However, such a measure is missing in the German health care system. Aim: To develop a culturally adapted German version of the IPOS-Dem and determine its content validity as a foundation for comprehensive psychometric testing. Design: Cognitive interview study with intermittent analysis and questionnaire adaptation. Interview guide and coding frame followed thematic analysis according to Willis complemented by Tourangeau's model of cognitive aspects of survey methodology: comprehension, retrieval, judgment, response. Participants: Purposive sample with professionals (n = 29) and family carers (n = 6) of people with advanced dementia in seven nursing homes and person's own home care in four interview rounds (n = 11; 10; 7; 7). Results: IPOS-Dem was regarded as comprehensive and accessible. Cultural adaption pertained to issues of comprehension and judgment. Comprehension challenges referred to the person-centered concept of being affected by used in the POS-measures. Judgment problems related to persons with limited communication causing challenges in assessment. Conclusion: Most issues of cultural adaptation could be addressed by questionnaire modifications. However, interviews unveiled fundamental challenges for using proxy reported person-centered assessments. Continuous training on how to use the instrument is imperative to integrate the person-centered approach of palliative care into nursing homes as a key provider of generalist palliative care for people with dementia. The refined version is ready for psychometric testing.
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