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Modelling utility weights for the Assessment of Quality of Life (AQoL)-8D
Abstract
Purpose The objective of this paper is to describe the four-stage methodology used to obtain utility scores for the Assessment of Quality of Life (AQoL)-8D, a 35-item 8 dimension multi-attribute utility instrument, which was created to achieve a high degree of sensitivity to psycho-social health.Methods Data for the analyses were obtained from a representative group of 347 members of the Australian public and from 323 mental health patients each of whom provided VAS and time trade-off valuations of multiple health states. Data were used initially to create multiplicative scoring algorithms for each of the instrument's 8 dimensions and for the overall instrument. Each of the algorithms was then subject to a second-stage econometric 'correction'.Results Algorithms were successfully created for each of the AQoL-8D's dimensions, for physical and mental 'super-dimensions' and for the overall AQoL-8D instrument. The final AQoL-8D algorithm has good predictive power with respect to the TTO valuations.Conclusions The AQoL-8D is a suitable instrument for researchers conducting cost utility analyses generally but, in particular, for the analysis of services affecting psycho-social health.
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Metadata
- Authors
- Richardson, J., Sinha, K., Iezzi, A., & Khan, M. A.
- Affiliations
- Monash University (AU)
- Corresponding author
- Richardson, Jeff
- Venue
- Quality of Life Research
- Published
- 2014-04-10
- Volume
- 23
- Issue
- 8
- Pages
- 2395-2404
- ISSN
- 0962-9343 (ISSN-L)
- 1573-2649
- OpenAlex
- W1983572683
- Cited by
- 127
- References
- 28
- Citations by year
- 2026: 4 · 2025: 7 · 2024: 10 · 2023: 12 · 2022: 21 · 2021: 17 · 2020: 15 · 2019: 11 · 2018: 4 · 2017: 11 · 2016: 7 · 2015: 6 · 2014: 1
- FWCI
- 20.66
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- www.springer.com/tdm (tdm)
- Locations
- Quality of Life Research (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Social Sciences › Economics, Econometrics and Finance › Economics and Econometrics › Health Systems, Economic Evaluations, Quality of Life
- Social Sciences › Economics, Econometrics and Finance › Economics and Econometrics › Economic and Environmental Valuation
- Health Sciences › Nursing › Research and Theory › Health Education and Validation
- Keywords
- AQoL-8D, quality of life assessment, utility weights, multi-attribute utility, time trade-off, visual analogue scale, scoring algorithm, psychiatric patients, psychosocial health, cost-utility analysis, health state valuation
- MeSH terms
- Adolescent, Adult, Aged, Algorithms, Australia, Costs and Cost Analysis, Female, Humans, Male, Mental Health, Middle Aged, Models, Psychological, Psychometrics, Quality of Life, Surveys and Questionnaires, Case-Control Studies, Young Adult
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