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Societies 2016, 6(4), 30; doi:10.3390/soc6040030

A Cross-Cultural Adaptation of the ICECAP-O: Test–Retest Reliability and Item Relevance in Swedish 70-Year-Olds

1
Neuropsychiatric Epidemiology Unit, Institute of Neuroscience and Physiology, Sahlgrenska Academy, Centre for Ageing and Health—Agecap, University of Gothenburg, Mölndal 43141, Sweden
2
Division of Occupational and Physical Therapy, Institute of Neuroscience and Physiology, Sahlgrenska Academy, Centre for Ageing and Health—Agecap, University of Gothenburg, Gothenburg 40530, Sweden
*
Author to whom correspondence should be addressed.
Academic Editor: Kristine Crondahl
Received: 8 August 2016 / Revised: 23 September 2016 / Accepted: 26 September 2016 / Published: 30 September 2016
(This article belongs to the Special Issue Health Promotion)
View Full-Text   |   Download PDF [552 KB, uploaded 30 September 2016]   |  

Abstract

Background: While there is a plethora of Quality of Life (QoL) measures, the Investigating Choice Experiments for the Preferences of Older People—CAPability index (ICECAP-O) is one of the few that taps into the concept of capability, i.e., opportunities to 'do' and 'be' the things that one deems important in life. We aimed to examine test–retest reliability of the ICECAP-O in a Swedish context and to study item relevance. Methods: Thirty-nine 70-year-olds who took part in a population-based health study completed the Swedish version of the ICECAP-O on two occasions. We analyzed the test–retest reliability for the index and for the individual items. Participants also rated the relevance of each item on a visual analogue scale (0–100). Results: Test–retest reliability for the index score was in good agreement with an ICC of 0.80 (95% CI 0.62–0.90). However, Kappa was low for each item and ranged from 0.18 (control) to 0.41 (role). For attachment, we found a systematic disagreement with lower ratings at the second test occasion. Participants gave their highest relevance rating to attachment and lowest to enjoyment. Conclusion: The Swedish version of the ICECAP-O had good test–retest agreement, similar to that observed for the English version. Item level agreement was problematic, however, highlighting a need for future research. View Full-Text
Keywords: capability; older persons; ICECAP-O; ICECAP; quality of life; well-being; questionnaire; reliability capability; older persons; ICECAP-O; ICECAP; quality of life; well-being; questionnaire; reliability
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MDPI and ACS Style

Hörder, H.; Gustafsson, S.; Rydberg, T.; Skoog, I.; Waern, M. A Cross-Cultural Adaptation of the ICECAP-O: Test–Retest Reliability and Item Relevance in Swedish 70-Year-Olds. Societies 2016, 6, 30.

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