The Valued Life Activities Scale (VLAs): linguistic validation, cultural adaptation and psychometric testing in people with rheumatic and musculoskeletal diseases in the UK.
Background: The Valued Life Activities Scale (VLAs) measures difficulty in daily activities and social participation. With various versions involving a different number of items, we have linguistically and culturally adopted the full VLAs (33-items) and psychometrically tested it in adults with rheu...
| Publicado en: | BMC Musculoskeletal Disorders Vol. 21; no. 1; pp. 1 - 17 |
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| Autores principales: | , , , |
| Formato: | Journal Article |
| Publicado: |
BioMed Central
7/30/2020
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| Acceso en línea: | Ver este registro en EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=ccm&AN=144855217&site=ehost-live header: @attributes: shortDbName: ccm uiTerm: 144855217 longDbName: CINAHL Complete uiTag: AN controlInfo: bkinfo: dissinfo: jinfo: jid: 14712474 1CI5 jtl: BMC Musculoskeletal Disorders issn: 14712474 maglogo: N pubinfo: dt: 7/30/2020 vid: 21 iid: 1 pid: 24147 pub: BioMed Central artinfo: ui: 144855217 144855217 NLM32731850 10.1186/s12891-020-03409-9 NLM32731850 144855217 ppf: 1 ppct: 16 formats: tig: atl: The Valued Life Activities Scale (VLAs): linguistic validation, cultural adaptation and psychometric testing in people with rheumatic and musculoskeletal diseases in the UK. aug: au: Prior, Y. Tennant, A. Tyson, S. Hammond, A. affil: Centre for Health Sciences Research, University of Salford, Frederick Road Campus, Brian Blatchford Building PO.50, M6 6PU, Salford, UK sug: subj: Musculoskeletal Diseases Epidemiology Musculoskeletal Diseases Diagnosis National Health Programs Adult Psychometrics Reproducibility of Results Linguistics Scales Arthritis Impact Measurement Scales Questionnaires Social Readjustment Rating Scale Adult: 19-44 years ab: Background: The Valued Life Activities Scale (VLAs) measures difficulty in daily activities and social participation. With various versions involving a different number of items, we have linguistically and culturally adopted the full VLAs (33-items) and psychometrically tested it in adults with rheumatic and musculoskeletal diseases in the United Kingdom.Methods: Participants with Rheumatoid Arthritis, Ankylosing Spondylitis, Chronic Pain/ Fibromyalgia, Chronic Hand/ Upper Limb Conditions, Osteoarthritis, Systemic Lupus, Systemic Sclerosis and Primary Sjogren's Syndrome were recruited from out-patient clinics in National Health Service Hospitals, General Practice and patient organisations in the UK. Phase1 involved linguistic and cultural adaptation: forward translation to British English; synthesis; expert panel review and cognitive debriefing interviews. In Phase2 participants completed postal questionnaires to assess internal construct validity using (i) Confirmatory Factor Analysis (CFA) (ii) Mokken scaling and (iii) Rasch model.Results: Responders (n = 1544) had mean age of 59 years (SD13.3) and 77.2% women. A CFA failed to support a total score from the 33-items (Chi Square 3552:df 464: p < 0.0001). Mokken scaling indicated a strong non-parametric association between items. Fit to the Rasch model indicated that the VLAs was characterised by multidimensionality and item misfit, which may have been influenced by clusters of residual item correlations. An item banking approach resolved a 25-item calibrated set whose application could accommodate the 'does not apply to me' response option.Conclusions: The UK version of the VLAs failed to satisfy classical and modern psychometric standards for complete item sets. However, as the scale is not usually applied in complete format, an item bank approach calibrated 25 items with fit to the Rasch model. Suitable Computer Adaptive Testing (CAT) software could implement the item set, giving patients the choice of whether an item applies to them, or not. pubtype: Academic Journal doctype: Journal Article ougenre: Article language: English refInfo: holdings: @attributes: islocal: N |
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