Developing a New Generic Health and Wellbeing Measure: Psychometric Survey Results for the EQ-HWB.
Peasgood, T
Mukuria, C
Brazier, J
Marten, O
Kreimeier, S
Luo, N
Mulhern, B
Greiner, W
Pickard, AS
Augustovski, F
Engel, L
Gibbons, L
Yang, Z
Monteiro, AL
Kuharic, M
Belizan, M
Bjørner, J
- Publisher:
- Elsevier BV
- Publication Type:
- Journal Article
- Citation:
- Value Health, 2022, 25, (4), pp. 525-533
- Issue Date:
- 2022-04
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Full metadata record
Field | Value | Language |
---|---|---|
dc.contributor.author | Peasgood, T | |
dc.contributor.author | Mukuria, C | |
dc.contributor.author | Brazier, J | |
dc.contributor.author | Marten, O | |
dc.contributor.author | Kreimeier, S | |
dc.contributor.author | Luo, N | |
dc.contributor.author |
Mulhern, B |
|
dc.contributor.author | Greiner, W | |
dc.contributor.author | Pickard, AS | |
dc.contributor.author | Augustovski, F | |
dc.contributor.author | Engel, L | |
dc.contributor.author | Gibbons, L | |
dc.contributor.author | Yang, Z | |
dc.contributor.author | Monteiro, AL | |
dc.contributor.author | Kuharic, M | |
dc.contributor.author | Belizan, M | |
dc.contributor.author | Bjørner, J | |
dc.date.accessioned | 2022-10-31T00:12:59Z | |
dc.date.available | 2021-11-04 | |
dc.date.available | 2022-10-31T00:12:59Z | |
dc.date.issued | 2022-04 | |
dc.identifier.citation | Value Health, 2022, 25, (4), pp. 525-533 | |
dc.identifier.issn | 1098-3015 | |
dc.identifier.issn | 1524-4733 | |
dc.identifier.uri | http://hdl.handle.net/10453/163003 | |
dc.description.abstract | OBJECTIVES: The development of measures such as the EQ-HWB (EQ Health and Wellbeing) requires selection of items. This study explored the psychometric performance of candidate items, testing their validity in patients, social carer users, and carers. METHODS: Article and online surveys that included candidate items (N = 64) were conducted in Argentina, Australia, China, Germany, United Kingdom, and the United States. Psychometric assessment on missing data, response distributions, and known group differences was undertaken. Dimensionality was explored using exploratory and confirmatory factor analysis. Poorly fitting items were identified using information functions, and the function of each response category was assessed using category characteristic curves from item response theory (IRT) models. Differential item functioning was tested across key subgroups. RESULTS: There were 4879 respondents (Argentina = 508, Australia = 514, China = 497, Germany = 502, United Kingdom = 1955, United States = 903). Where missing data were allowed, it was low (UK article survey 2.3%; US survey 0.6%). Most items had responses distributed across all levels. Most items could discriminate between groups with known health conditions with moderate to large effect sizes. Items were less able to discriminate across carers. Factor analysis found positive and negative measurement factors alongside the constructs of interest. For most of the countries apart from China, the confirmatory factor analysis model had good fit with some minor modifications. IRT indicated that most items had well-functioning response categories but there was some evidence of differential item functioning in many items. CONCLUSIONS: Items performed well in classical psychometric testing and IRT. This large 6-country collaboration provided evidence to inform item selection for the EQ-HWB measure. | |
dc.format | Print-Electronic | |
dc.language | eng | |
dc.publisher | Elsevier BV | |
dc.relation.ispartof | Value Health | |
dc.relation.isbasedon | 10.1016/j.jval.2021.11.1361 | |
dc.rights | info:eu-repo/semantics/openAccess | |
dc.subject | 1117 Public Health and Health Services, 1402 Applied Economics | |
dc.subject.classification | Health Policy & Services | |
dc.subject.mesh | Caregivers | |
dc.subject.mesh | Factor Analysis, Statistical | |
dc.subject.mesh | Humans | |
dc.subject.mesh | Psychometrics | |
dc.subject.mesh | Surveys and Questionnaires | |
dc.subject.mesh | United Kingdom | |
dc.subject.mesh | United States | |
dc.subject.mesh | Humans | |
dc.subject.mesh | Factor Analysis, Statistical | |
dc.subject.mesh | Psychometrics | |
dc.subject.mesh | Caregivers | |
dc.subject.mesh | United States | |
dc.subject.mesh | Surveys and Questionnaires | |
dc.subject.mesh | United Kingdom | |
dc.title | Developing a New Generic Health and Wellbeing Measure: Psychometric Survey Results for the EQ-HWB. | |
dc.type | Journal Article | |
utslib.citation.volume | 25 | |
utslib.location.activity | United States | |
utslib.for | 1117 Public Health and Health Services | |
utslib.for | 1402 Applied Economics | |
pubs.organisational-group | /University of Technology Sydney | |
pubs.organisational-group | /University of Technology Sydney/Faculty of Health | |
pubs.organisational-group | /University of Technology Sydney/Strength - CHERE - Centre for Health Economics Research and Evaluation | |
pubs.organisational-group | /University of Technology Sydney/Faculty of Health/Centre for Health Economics Research and Evaluation | |
utslib.copyright.status | open_access | * |
dc.date.updated | 2022-10-31T00:12:58Z | |
pubs.issue | 4 | |
pubs.publication-status | Published | |
pubs.volume | 25 | |
utslib.citation.issue | 4 |
Abstract:
OBJECTIVES: The development of measures such as the EQ-HWB (EQ Health and Wellbeing) requires selection of items. This study explored the psychometric performance of candidate items, testing their validity in patients, social carer users, and carers. METHODS: Article and online surveys that included candidate items (N = 64) were conducted in Argentina, Australia, China, Germany, United Kingdom, and the United States. Psychometric assessment on missing data, response distributions, and known group differences was undertaken. Dimensionality was explored using exploratory and confirmatory factor analysis. Poorly fitting items were identified using information functions, and the function of each response category was assessed using category characteristic curves from item response theory (IRT) models. Differential item functioning was tested across key subgroups. RESULTS: There were 4879 respondents (Argentina = 508, Australia = 514, China = 497, Germany = 502, United Kingdom = 1955, United States = 903). Where missing data were allowed, it was low (UK article survey 2.3%; US survey 0.6%). Most items had responses distributed across all levels. Most items could discriminate between groups with known health conditions with moderate to large effect sizes. Items were less able to discriminate across carers. Factor analysis found positive and negative measurement factors alongside the constructs of interest. For most of the countries apart from China, the confirmatory factor analysis model had good fit with some minor modifications. IRT indicated that most items had well-functioning response categories but there was some evidence of differential item functioning in many items. CONCLUSIONS: Items performed well in classical psychometric testing and IRT. This large 6-country collaboration provided evidence to inform item selection for the EQ-HWB measure.
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