HQLC Dementia Carers Instrument Development

Study Code / Acronym
DECIDE
Award Number
MR/M025179/1
Programme
Research Grant
Status / Stage
Active
Dates
7 September 2015 -
6 September 2018
Duration (calculated)
02 years 11 months
Funder(s)
MRC (UKRI)
Funding Amount
£569,632.73
Funder/Grant study page
MRC UKRI
Contracted Centre
University of Leeds
Contracted Centre Webpage
Principal Investigator
Dr Wright, Penny
PI Contact
e.p.wright@leeds.ac.uk
WHO Catergories
Models across the continuum of care
Tools and methodologies for interventions
Disease Type
Dementia (Unspecified)

CPEC Review Info
Reference ID262
ResearcherReside Team
Published12/06/2023

Data

Study Code / AcronymDECIDE
Award NumberMR/M025179/1
Status / StageActive
Start Date20150907
End Date20180906
Duration (calculated) 02 years 11 months
Funder/Grant study pageMRC UKRI
Contracted CentreUniversity of Leeds
Contracted Centre Webpage
Funding Amount£569,632.73

Abstract

The project comprises 2 workstreams (psychometric and valuation) running in parallel. Workstream 1 psychometric (3 phases). Phase 1, item pool generation employing a needs-based approach through interviews of 42 purposively sampled carers. Phase 2, Item refinement following cognitive interviews with 24 carers. Phase 3, Psychometric evaluation employing Rasch methods to ensure the final item set is unidimensional and satisfies requirements necessary to enable transformation to interval scaling. Carers (n=400) will complete the item pool and the EQ-5D with a subset re-completing the item pool for test-retest reliability and sensitivity to change analyses. Workstream 2 valuation (3 studies). Study 1 compares health state values (EQ-5D derived) in carers and non-carers (n=1,000) using online surveying of self-reported health status using visual analogue scale rating and presenting descriptions of 8 “hypothetical” health states selected from the most frequently recorded EQ-5D health states. Study 2 will estimate the relationship between a draft Carer-QoL (Workstream 1 generated) and the utility-weighted index form of EQ-5D. Study 3 will quantify Carer-QoL values through direct valuation using an online Discrete Choice Experiment. Carer profiles will be generated from the draft carer-QoL items. Carers and non-carers (n=1,000) will select carer profile preference from a list of paired carer profiles. From this it will be possible to place a value on the Carer-QoL scores from both the carer and general population perspective. DECIDE outputs and data will be available for other researchers, clinical, social and voluntary service organisations, practitioners and government agencies.

Aims

1. develop a quality of life measure for carers of people with dementia (Carer-QoL) 2. test key assumptions embedded in the current approach to measuring the benefits of healthcare interventions and 3. estimate preliminary values for the Carer-QoL.