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Translation, Cross-Cultural Adaptation, and Validation of the Measure of Intermittent and Constant Osteoarthritis Pain (ICOAP) Measure into Brazilian Portuguese for Individuals with Knee Osteoarthritis

2025Journal article Open access
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datacite.subject.fosHumanidades::Línguas e Literaturas
datacite.subject.fosCiências Médicas::Medicina Clínica
datacite.subject.fosCiências Médicas::Ciências da Saúde
datacite.subject.sdg04:Educação de Qualidade
dc.contributor.authorSantana, Gabriela Nascimento de
dc.contributor.authorSantos, Patrícia Gabrielle dos
dc.contributor.authorLeite, Luciano Bernardes
dc.contributor.authorForte, Pedro
dc.contributor.authorTeixeira, José Eduardo
dc.contributor.authorVeneroso, Christiano Eduardo
dc.contributor.authorDibai-Filho, Almir Vieira
dc.contributor.authorFidelis-de-Paula-Gomes, Cid André
dc.date.accessioned2025-11-06T16:06:46Z
dc.date.available2025-11-06T16:06:46Z
dc.date.issued2025
dc.description.abstractA comprehensive understanding of chronic pain is crucial for assessing its impact on knee osteoarthritis (KOA). This study aimed to translate, cross-culturally adapt, and validate the ICOAP into Brazilian Portuguese for individuals with KOA. Methods: A total of 133 individuals with KOA participated. Phase 1 involved the translation and cross-cultural adaptation of the ICOAP into Brazilian Portuguese. In Phase 2, the pre-final version was tested, and in Phase 3, the final version was validated with 103 participants. Convergent validity was assessed using Spearman's correlation with the Numeric Rating Pain Scale (NRPS), the International Knee Documentation Committee (IKDC), and the Short Form 36 Health Survey (SF-36). Internal structure was evaluated through exploratory and confirmatory factor analyses using fit indices: chi-square/degrees of freedom (chi 2/df), root mean square error of approximation (RMSEA), standardized root mean square residual (SRMR), comparative fit index (CFI), and Tucker-Lewis index (TLI). Internal consistency was assessed with Cronbach's alpha (alpha), and floor and ceiling effects were examined. A subsample of 53 participants was used to assess test-retest reliability through the intraclass correlation coefficient (ICC), standard error of measurement (SEM), and minimum detectable change (MDC). Results: The ICOAP showed adequate fit indices. Reliability analysis demonstrated satisfactory internal consistency and test-retest reliability. However, only the constant pain domain exhibited convergent validity. Conclusions: The Brazilian Portuguese version of the ICOAP consists of two independent domains with good internal consistency and reliability. However, only the constant pain domain showed appropriate convergent validity.eng
dc.description.sponsorshipThis work was partially supported by Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES), finance code 001, and Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP), process number: 2022/02166-2. Also, this research was supported by the Portuguese Foundation for Science and Technology, I.P., under grant number UID/CED/04748/2020; SPRINT—Sport Physical Activity and Health Research & Innovation Center, Portugal. Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) and Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP).
dc.identifier.citationSantana, Gabriela Nascimento; Santos, Patrícia Gabrielle; Leite, Luciano Bernardes; Forte, Pedro; Teixeira, José Eduardo; Veneroso, Christiano Eduardo; Dibai-Filho, Almir Vieira; Fidelis-de-Paula-Gomes, Cid André. (2025) Translation, Cross-Cultural Adaptation, and Validation of the Measure of Intermittent and Constant Osteoarthritis Pain (ICOAP) Measure into Brazilian Portuguese for Individuals with Knee Osteoarthritis. Healthcare. ISSN 2227-9032. 13:11 p. 1-13
dc.identifier.doi10.3390/healthcare13111283
dc.identifier.issn2227-9032
dc.identifier.urihttp://hdl.handle.net/10198/34985
dc.language.isopor
dc.peerreviewedyes
dc.publisherMDPI
dc.relationLife Quality Research Centre
dc.relation.ispartofHealthcare
dc.rights.urihttp://creativecommons.org/licenses/by-nd/4.0/
dc.subjectKnee osteoarthritis
dc.subjectQuestionnaires
dc.subjectChronic pain
dc.titleTranslation, Cross-Cultural Adaptation, and Validation of the Measure of Intermittent and Constant Osteoarthritis Pain (ICOAP) Measure into Brazilian Portuguese for Individuals with Knee Osteoarthritiseng
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleLife Quality Research Centre
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F04748%2F2020/PT
oaire.citation.endPage13
oaire.citation.issue11
oaire.citation.startPage1
oaire.citation.titleHealthcare
oaire.citation.volume13
oaire.fundingStream6817 - DCRRNI ID
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameForte
person.givenNamePedro
person.identifier.ciencia-id351B-B16B-79C7
person.identifier.orcid0000-0003-0184-6780
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
relation.isAuthorOfPublication3ecc6d1b-07a4-40d7-81f4-df6fd7b3d5b0
relation.isAuthorOfPublication.latestForDiscovery3ecc6d1b-07a4-40d7-81f4-df6fd7b3d5b0
relation.isProjectOfPublication29a8fff6-893d-439d-8056-df2aba83b169
relation.isProjectOfPublication.latestForDiscovery29a8fff6-893d-439d-8056-df2aba83b169

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