The selection of attributes for the ICECAP-O is described in:
Grewal I, Lewis J, Flynn T, Brown J, Bond J, Coast J. Developing attributes for a generic quality of life measure for older people: preferences or capabilities? Social Science and Medicine 2006; 62:1891-1901.
UK index values for the ICECAP-O are presented in:
Coast J, Flynn T, Natarajan L, Sproston K, Lewis J, Louviere J et al. Valuing the ICECAP capability index for older people. Social Science and Medicine 2008; 67(5):874-882.
Evidence about reliability, validity, and feasibility of use of ICECAP-O is described in:
Baji P, Farkas M, Dobos A, Zrubka Z, Gulácsi, L, Brodszky V, Rencz F & Péntek M. 2020 “Capability of well-being: validation of the Hungarian version of the ICECAP-A and ICECAP-O questionnaires and population normative data”. Quality of Life Research. https://doi.org/10.1007/s11136-020-02542-1
Proud L, McLoughlin C, Kinghorn P. (2018) “ICECAP-O, The Current State of Play: A Systematic Review of Studies Reporting the Psychometric Properties and Use of the Instrument Over the Decade Since Its Publication”, Quality of Life Research. 28(6): 1429-1439.
Couzner L, Crotty M, Norman R & Ratcliffe J (2013) A comparison of the EQ-5D-3L and ICECAP-O in an older post-acute patient population relative to the general population. Applied Economics & Health Policy. 11(4), 415-425
Couzner L, Ratcliffe J, Crotty M (2012). The relationship between quality of life, health and care transition: an empirical comparison in an older post-acute population. Health and Quality of Life Outcomes, 10:69
Coast J, Peters T, Natarajan L, Sproston K, Flynn T. An assessment of the construct validity of the descriptive system for the ICECAP capability measure for older people. Quality of Life Research 2008; 17:967-976.
Davis JC, Bryan S, McLeod R, Rogers J, Khan K, Liu-Ambrose T (2012). Exploration of the association between quality of life, assessed by the EQ-5D and ICECAP-O, and falls risk, cognitive function and daily function, in older adults with mobility impairments. BMC Geriatrics, 12:65 doi:10.1186/1471-2318-12-65
Davis JC, Liu-Ambrose T, Richardson CG, Bryan S (2012). A comparison of the ICECAP-O with EQ-5D in a falls prevention clinical setting: are they complements or substitutes? Quality of Life Research, DOI 10.1007/s11136-012-0225-4
Horder 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(4), 30; doi: 10.3390/soc6040030
Horwood J, Sutton E, Coast J. Evaluating the face validity of the ICECAP-O capabilities measure: a “think-aloud” study with hip and knee arthroplasty patients. Applied Research in Quality of Life. Online first: doi:10.1007/s11482-013-9264-4
Makai P, Koopmanschap MA, Brouwer WB, & Nieboer AP. (2013). A validation of the ICECAP-O in a population of post-hospitalized older people in the Netherlands. Health and quality of life outcomes, 11(1), 57.
Makai, P., Beckebans, F., van Exel, J., & Brouwer, W. B. (2014). Quality of life of nursing home residents with dementia: Validation of the German version of the ICECAP-O. PLoS One, 9(3), e92016.
Use of the measure is outlined in the following papers:
Couzner L, Ratcliffe J, Lester L, Flynn T, Crotty M (2012). Measuring and valuing quality of life for public health research: application of the ICECAP-O capability index in the Australian general population. International Journal of Public Health, September
Engel L, Chudyk AM, Ashe, MC, McKay HA, Whitehurst D, Bryan S (2016). Older adults' quality of life – Exploring the role of the built environment and social cohesion in community-dwelling seniors on low income. Social Science and Medicine, Volume 164, pp1-11
Flynn T, Chan P, Coast J, Peters TJ (2011). Assessing quality of life among British older people using the ICEPOP CAPability (ICECAP-O) measure. Applied Health Economics and Health Policy, Volume 9, Issue 5, pp 317-329
Henderson C, Knapp M, Fernández JL, Beecham J, Hirani SP, Cartwright M, Rixon L, Beynon M, Rogers A, Bower P, Doll H, Fitzpatrick R, Steventon A, Bardsley M, Hendy J & Newman SP (2013). Cost effectiveness of telehealth for patients with long term conditions (Whole Systems Demonstrator telehealth questionnaire study): nested economic evaluation in a pragmatic, cluster randomised controlled trial. BMJ; 346 doi: http://dx.doi.org/10.1136/bmj.f1035
Makai P, Brouwer W, Koopmanschap MA, Nieboer AP (2012). Capabilities and quality of life in Dutch psycho-geriatric nursing homes: an exploratory study using a proxy version of the ICECAP-O. Quality of Life Research, Volume 21, Issue 5, pp 801-812
Mitchell PM, Roberts TE, Barton PM, Pollard BS, Coast J (2013). Predicting the ICECAP-O Capability Index from the WOMAC Osteoarthritis Index: Is Mapping onto Capability from Condition-Specific Health Status Questionnaires Feasible?Medical Decision Making. 33(4): 547-557
Ratcliffe J, Lester LH, Couzner L, Crotty M (2013). An assessment of the relationship between informal caring and quality of life in older community-dwelling adults – more positives than negatives? Health & Social Care in the Community; 21:35–46