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Validation of the Spanish Version of the ICECAP-O for Nursing Home Residents with Dementia

Author

Listed:
  • Carmen M Sarabia-Cobo
  • Paula Parás-Bravo
  • Francisco José Amo-Setién
  • Ana Rosa Alconero-Camarero
  • María Sáenz-Jalón
  • Blanca Torres-Manrique
  • Raquel Sarabia-Lavín
  • Angela Fernández-Rodríguez
  • Tamara Silio-García
  • Rosario Fernández-Peña
  • María Paz-Zulueta
  • Miguel Santibáñez-Margüello

Abstract

Background: Measurement of health-related quality of life (HRQoL) is important for a chronic disease, such as dementia, which impairs the quality of life of affected patients in addition to their length of life. This is important in the context of economic evaluations when interventions do not (only) affect HRQoL and these other factors also affect overall quality of life. Objective: To validate the Spanish translation of the ICECAP-O’s capability to measure Health-related quality of life in elderly with dementia who live in nursing homes. Method: Cross-sectional study. For 217 residents living in 8 Spanish nursing homes, questionnaires were completed by nursing professionals serving as proxy respondents. We analyzed the internal consistency and other psychometric properties. We investigated the convergent validity of the ICECAP-O with other HRQoL instruments, the EQ-5D extended with a cognitive dimension (EQ-5D+C), the Alzheimer’s Disease Related Quality of Life (ADRQL) measures, and the Barthel Index measure of activities of daily living (ADL). Results: The ICECAP-O presents satisfactory internal consistency (alpha 0.820). The factorial analysis indicated a structure of five principal dimensions that explain 66.57% of the total variance. Convergent validity between the ICECAP-O, EQ-5D+C, ADRQL, and Barthel Index scores was moderate to good (with correlations of 0.62, 0.61, and 0.68, respectively), but differed between dimensions of the instruments. Discriminant validity was confirmed by finding differences in ICECAP-O scores between subgroups based on ADL scores (0.70 low, 0.59 medium, and 0.39 high level care), dementia severity (0.72 mild, 0.63 medium, and 0.50 severe), and ages (0.59 below 75 years and 0.84 above 75 years). Conclusions: This study presented the first use of a Spanish version of the ICECAP-O. The results indicate that the ICECAP-O appears to be a reliable Health-related quality of life measurement instrument showing good convergent and discriminant validity for people with dementia.

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  • Carmen M Sarabia-Cobo & Paula Parás-Bravo & Francisco José Amo-Setién & Ana Rosa Alconero-Camarero & María Sáenz-Jalón & Blanca Torres-Manrique & Raquel Sarabia-Lavín & Angela Fernández-Rodríguez & Ta, 2017. "Validation of the Spanish Version of the ICECAP-O for Nursing Home Residents with Dementia," PLOS ONE, Public Library of Science, vol. 12(1), pages 1-13, January.
    • Handle: RePEc:plo:pone00:0169354
    DOI: 10.1371/journal.pone.0169354
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    References listed on IDEAS

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    1. Coast, Joanna & Flynn, Terry N. & Natarajan, Lucy & Sproston, Kerry & Lewis, Jane & Louviere, Jordan J. & Peters, Tim J., 2008. "Valuing the ICECAP capability index for older people," Social Science & Medicine, Elsevier, vol. 67(5), pages 874-882, September.
    2. Drummond, Michael F. & Sculpher, Mark J. & Torrance, George W. & O'Brien, Bernie J. & Stoddart, Greg L., 2005. "Methods for the Economic Evaluation of Health Care Programmes," OUP Catalogue, Oxford University Press, edition 3, number 9780198529453.
    3. Catherine Milte & Ruth Walker & Mary Luszcz & Emily Lancsar & Billingsley Kaambwa & Julie Ratcliffe, 2014. "How Important Is Health Status in Defining Quality of Life for Older People? An Exploratory Study of the Views of Older South Australians," Applied Health Economics and Health Policy, Springer, vol. 12(1), pages 73-84, February.
    4. Joanna Coast & Richard Smith & Paula Lorgelly, 2008. "Should the capability approach be applied in Health Economics?," Health Economics, John Wiley & Sons, Ltd., vol. 17(6), pages 667-670, June.
    5. Makai, Peter & Brouwer, Werner B.F. & Koopmanschap, Marc A. & Stolk, Elly A. & Nieboer, Anna P., 2014. "Quality of life instruments for economic evaluations in health and social care for older people: A systematic review," Social Science & Medicine, Elsevier, vol. 102(C), pages 83-93.
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    1. Myles-Jay Linton & Paul Mark Mitchell & Hareth Al-Janabi & Michael Schlander & Jeff Richardson & Angelo Iezzi & Jasper Ubels & Joanna Coast, 2020. "Comparing the German Translation of the ICECAP-A Capability Wellbeing Measure to the Original English Version: Psychometric Properties across Healthy Samples and Seven Health Condition Groups," Applied Research in Quality of Life, Springer;International Society for Quality-of-Life Studies, vol. 15(3), pages 651-673, July.

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