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Qual Life Res. 2013 Sep;22(7):1831-40. doi: 10.1007/s11136-012-0293-5. Epub 2012 Oct 20.

An investigation of the construct validity of the ICECAP-A capability measure.

Author information

  • 1Health Economics Unit, School of Health and Population Sciences, Public Health Building, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK. h.aljanabi@bham.ac.uk

Abstract

PURPOSE:

To investigate the construct validity of the ICECAP-A capability wellbeing measure.

METHODS:

A face-to-face interview-administered survey was conducted with 418 members of the UK general population, randomly sampled from the Postcode Address File. Pre-specified hypotheses were developed about the expected associations between individuals' ICECAP-A responses and their socio-economic circumstances, health and freedom. The hypotheses were investigated using statistical tests of association.

RESULTS:

The ICECAP-A responses and scores reflected differences across different health and socioeconomic groups as anticipated, but did not distinguish individuals by the level of local deprivation. Mean ICECAP-A scores reflected individuals' perceived freedom slightly more closely than did measures of health and happiness.

CONCLUSION:

This study suggests that the ICECAP-A measure can identify expected differences in capability wellbeing in a general population sample. Further work could establish whether self-reported capabilities exhibit desirable validity and acceptability in sub-groups of the population such as patients, social care recipients and informal carers.

PMID:
23086535
[PubMed - indexed for MEDLINE]
PMCID:
PMC3764327
Free PMC Article

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