Application of rasch analysis to examine psychometric aspects of the activities-specific balance confidence scale when used in a new cultural context

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Arnadottir, Solveig A,1968-Umeå universitet,Sjukgymnastik (författare)

Application of rasch analysis to examine psychometric aspects of the activities-specific balance confidence scale when used in a new cultural context

Artikel/kapitelEngelska2010

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Elsevier BV,2010
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LIBRIS-ID:oai:DiVA.org:umu-31108
https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-31108URI
https://doi.org/10.1016/j.apmr.2009.09.010DOI

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Språk:engelska
Sammanfattning på:engelska

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Arnadottir SA, Lundin-Olsson L, Gunnarsdottir ED, Fisher AG. Application of Rasch analysis to examine psychometric aspects of the Activities-Specific Balance Confidence Scale when used in a new cultural context. OBJECTIVE: To investigate by using Rasch analysis the psychometric properties of the Activities-Specific Balance Confidence (ABC) Scale when applied in a new Icelandic context. DESIGN: Cross-sectional, population-based, random selection from the Icelandic National Registry. SETTING: Community-based. PARTICIPANTS: Icelanders (N=183), 65 to 88 years old, and 48% women. INTERVENTIONS: Not applicable. MAIN OUTCOME MEASURE: ABC, an instrument used to evaluate how confident older people are in maintaining balance and remaining steady when moving through the environment. An Icelandic translation of the ABC (ABC-ICE) scale was evaluated by implementing Rasch rating scale analysis to transform ordinal ABC-ICE scores into interval measures and evaluating aspects of validity and reliability of the scale. RESULTS: Participants were not able to differentiate reliably between the 11 rating scale categories of the ABC-ICE. Additionally, 3 items failed to show acceptable goodness of fit to the ABC-ICE rating scale model. By collapsing categories and creating a new 5-category scale, only 1 item misfit. Removing that item resulted in a modified version of ABC-ICE with 5 categories and 15 items. Both item goodness-of-fit statistics and principal components analysis supported unidimensionality of the modified ABC-ICE. The ABC-ICE measures reliably separated the sample into at least 4 statistically distinct strata of balance confidence. Finally, the hierarchical order of item difficulties was consistent with theoretic expectations, and the items were reasonably well targeted to the balance confidence of the persons tested. CONCLUSIONS: Rasch analysis indicated a need to modify the ABC-ICE to improve its psychometric properties. Further studies are needed to determine if similar analyses of other versions of the ABC, including the original one, will yield similar results.

Ämnesord och genrebeteckningar

MEDICIN OCH HÄLSOVETENSKAP Hälsovetenskap Sjukgymnastik hsv//swe
MEDICAL AND HEALTH SCIENCES Health Sciences Physiotherapy hsv//eng
Physiotherapy
Sjukgymnastik/fysioterapi
sjukgymnastik
Physiotherapy

Biuppslag (personer, institutioner, konferenser, titlar ...)

Lundin-Olsson, LillemorUmeå universitet,Sjukgymnastik(Swepub:umu)lilu0003 (författare)
Gunnarsdottir, Elin D (författare)
Fisher, Anne GUmeå universitet,Arbetsterapi(Swepub:umu)anfi0001 (författare)
Umeå universitetSjukgymnastik (creator_code:org_t)

Sammanhörande titlar

Ingår i:Archives of Physical Medicine and Rehabilitation: Elsevier BV91:1, s. 156-1630003-99931532-821X

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Archives of Physical Medicine and Rehabilitation (Sök värdpublikationen i LIBRIS)

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Av författaren/redakt...: Arnadottir, Solv ...; Lundin-Olsson, L ...; Gunnarsdottir, E ...; Fisher, Anne G

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MEDICIN OCH HÄLSOVETENSKAP: MEDICIN OCH HÄLS ...; och Hälsovetenskap; och Sjukgymnastik

Artiklar i publikationen: Archives of Phys ...

Av lärosätet: Umeå universitet

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