The Library
Derivation of preliminary preference-based valuation sets for the Short Warwick-Edinburgh Mental Wellbeing Scale (SWEMWBS) to allow calculation of mental well-being adjusted life years (MWALY)
Tools
Yiu, Hei Hang Edmund (2022) Derivation of preliminary preference-based valuation sets for the Short Warwick-Edinburgh Mental Wellbeing Scale (SWEMWBS) to allow calculation of mental well-being adjusted life years (MWALY). PhD thesis, University of Warwick.
|
PDF
WRAP_Theses_Yiu_2022.pdf - Submitted Version - Requires a PDF viewer. Download (3213Kb) | Preview |
Official URL: http://webcat.warwick.ac.uk/record=b3859537
Abstract
Concerns have been raised regarding the sensitivity of widely used preference-based instruments (e.g. EQ-5D) to value mental health benefits. An alternative outcome measure other than QALY is required due to an increasing interest in the promotion of mental well-being.
The aim of this thesis is to develop preliminary U.K. preference-based valuation sets for the Short Warwick-Edinburgh Mental Wellbeing Scale (SWEMWBS), to allow estimation of Mental Well-being Adjusted Life Years (MWALYs).
Given that this was the first attempt at valuing SWEMWBS states, a series of stages were followed to ensure the robustness of the derived valuation sets. Firstly, alternative valuation techniques were analysed to justify the appropriate valuation strategy for mental well-being states. A sample of manageable mental well-being states for valuation was also identified through alternative experimental designs. Next, a qualitative piloting study with the application of think-aloud interviewing technique was conducted to investigate the cognitive process of completing the valuation tasks. The modified valuation protocol informed by the qualitative study was then validated within a larger sample in a quantitative study. The valuation responses of the quantitative study were modelled to produce utility values for all mental well-being states.
The qualitative and quantitative studies suggested the feasibility, practicality and face validity of the SWEMWBS valuation. A total of 225 participants provided valuation responses to allow estimation of valuation sets based on composite time trade-off (C-TTO), Discrete choice experiment (DCE) and Inverse Variance Weighting (IVW) hybrid model. The first and second models generated illuminating differences with the hybrid approach giving an arguably desirable blend of the two. The valuation sets for mental well-being states can be used for indicative cost-utility analyses of mental well-being interventions and have the potential to inform the practicality of applying the proposed valuation protocol in the full national valuation study.
Item Type: | Thesis (PhD) | ||||
---|---|---|---|---|---|
Subjects: | B Philosophy. Psychology. Religion > BF Psychology R Medicine > RA Public aspects of medicine |
||||
Library of Congress Subject Headings (LCSH): | Mental health services, Mental health services -- Economic aspects, Mental health -- Evaluation, Quality of life -- Measurement, Well-being -- Measurement, Well-being -- Research -- Methodology | ||||
Official Date: | March 2022 | ||||
Dates: |
|
||||
Institution: | University of Warwick | ||||
Theses Department: | Warwick Medical School | ||||
Thesis Type: | PhD | ||||
Publication Status: | Unpublished | ||||
Supervisor(s)/Advisor: | Madan, Jason ; Petrou, Stavros ; Stewart-Brown, Sarah L. | ||||
Format of File: | |||||
Extent: | 321 pages : illustrations, charts | ||||
Language: | eng |
Request changes or add full text files to a record
Repository staff actions (login required)
View Item |
Downloads
Downloads per month over past year