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Validation of the Brief International Classification of Functioning, Disability and Health (ICF) core set for hearing loss: an international multicentre study
Örebro University, School of Health Sciences. Faculty of Medicine and Health, Audiological Research Centre, Örebro University, Örebro, Sweden; Swedish Institute of Disability Research (SIDR), Örebro University, Örebro, Sweden.ORCID iD: 0000-0001-6617-1134
Örebro University, School of Medical Sciences. Faculty of Medicine and Health, Audiological Research Centre, Örebro University, Örebro, Sweden; Swedish Institute of Disability Research (SIDR), Örebro University, Örebro, Sweden.ORCID iD: 0000-0002-0122-9259
Örebro University, School of Health Sciences. Faculty of Medicine and Health, Audiological Research Centre, Örebro University, Örebro, Sweden; Swedish Institute of Disability Research (SIDR), Örebro University, Örebro, Sweden.ORCID iD: 0000-0002-9184-6989
Örebro University, School of Health Sciences. Faculty of Medicine and Health, Audiological Research Centre, Örebro University, Örebro, Sweden; Swedish Institute of Disability Research (SIDR), Örebro University, Örebro, Sweden.ORCID iD: 0000-0003-3023-3422
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2021 (English)In: International Journal of Audiology, ISSN 1499-2027, E-ISSN 1708-8186, Vol. 60, no 6, p. 412-420Article in journal (Refereed) Published
Abstract [en]

Objective: Hearing loss (HL) affects the everyday functioning of millions of people worldwide. The Brief International Classification of Functioning Disability and Health (ICF) core sets for HL was developed to meet the complex health care needs of adults with HL. Because the brief core set for HL has not yet been validated internationally, this study aimed to investigate its validity from an international perspective.

Design: A cross-sectional validation study based on data from structured interviews with adults with HL.

Study sample: Participants (n = 571) from India, South Africa, Sweden and the US were included.

Results: A six-factor solution explained 71% of the variance, focussing on issues related to communication, the social environment, participation in society, health care services, support, relationships and emotions (α = 0.915). Three ICF categories demonstrated low reliability - temperament and personality functions, seeing functions and school education.

Conclusion: The Brief ICF core set for HL is valid for adults with HL internationally. However, to further increase its international validity, we recommend adding the categories d920 recreation and leisure and replacing d850 school education with the more inclusive block, d810-d839 education.

Place, publisher, year, edition, pages
Routledge, 2021. Vol. 60, no 6, p. 412-420
Keywords [en]
Disability and Health, Hearing loss, International Classification of Functioning, core set, outcome measure, psychometrics, validation
National Category
Otorhinolaryngology
Identifiers
URN: urn:nbn:se:oru:diva-87489DOI: 10.1080/14992027.2020.1846088ISI: 000590467700001PubMedID: 33207960Scopus ID: 2-s2.0-85096343919OAI: oai:DiVA.org:oru-87489DiVA, id: diva2:1502655
Available from: 2020-11-20 Created: 2020-11-20 Last updated: 2024-01-15Bibliographically approved
In thesis
1. Assessment of everyday functioning for adults with hearing loss: Development of Hearing and Functioning in Everyday life Questionnaire (HFEQ)
Open this publication in new window or tab >>Assessment of everyday functioning for adults with hearing loss: Development of Hearing and Functioning in Everyday life Questionnaire (HFEQ)
2022 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Aim: The overall aim of the current thesis was to develop a self-assessmentinstrument with a focus on everyday functioning for adults with hearingloss and to investigate its psychometric properties.

Methods: Three different methods were applied in the current studies; a scoping review (Study I), two quantitative studies using two different datacollection processes (Study II and IV) and a qualitative study, including anitem-generation workshop and cognitive group interviews (Study III).

Results: The scoping review (Study I) showed that the validation process ofICF Core Sets has varied between studies, including studies that used bothqualitative and quantitative methodology. Most of the validation studieshave been conducted in Western, high-income countries and have only useda single population.

The validation of the Brief ICF Core Set for Hearing Loss (Study II) was conducted internationally, including four continents and both middle- and high-income countries. The results demonstrated satisfactory content validity and internal consistency. However, two ICF categories (b126 and d810) arerecommended to be specified if they are used in a future instrument. 

In study III HFEQ was developed by international experts in the field ofaudiology and/or ICF. The HFEQ was then validated in two studies withfocus on the content validity (Study III) and the construct validity (StudyIV). Altogether, the results showed satisfying levels of content and construct validity for the HFEQ, as well as internal consistency reliability, feasibility and comprehensibility. Minor adjustments such as rewording arerecommended in the future. The results of study II-IV strengthen the hypothesis that everyday functioning seems to be a relevant and valid phenomenon to measure within audiology. 

Conclusion: ICF Core sets have been validated using several methods. The Brief ICF Core Set for Hearing Loss has satisfactory validity for adults with hearing loss and is a relevant foundation for a new self-assessment instrument. The HFEQ is a valid self-assessment measure for assessing everyday functioning for adults with hearing loss.

Place, publisher, year, edition, pages
Örebro: Örebro University, 2022. p. 79
Series
Studies from The Swedish Institute for Disability Research, ISSN 1650-1128 ; 108
Keywords
ICF, Hearing Loss, Hearing Rehabilitation, HFEQ, Instrument Development, Outcome measure, Validation
National Category
Other Health Sciences
Identifiers
urn:nbn:se:oru:diva-96551 (URN)9789175294353 (ISBN)
Public defence
2022-05-20, Örebro universitet, Forumhuset, Hörsal F, Fakultetsgatan 1, Örebro, 13:00 (English)
Opponent
Supervisors
Available from: 2022-01-18 Created: 2022-01-18 Last updated: 2024-01-15Bibliographically approved

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Karlsson, ElinMäki-Torkko, ElinaWidén, StephenGustafsson, JohannaGranberg, Sarah

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