Assessment of psychometric properties of the brazilian version of the oral anticoagulation knowledge test

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dc.creatorMarcus Fernando da Silva Praxedes
dc.creatorMauro Henrique Nogueira Guimarães de Abreu
dc.creatorSaul Martins de Paiva
dc.creatorJuliana Vaz de Melo Mambrini
dc.creatorMilena Soriano Marcolino
dc.creatorMaria Auxiliadora Parreiras Martins
dc.date.accessioned2023-05-11T21:32:03Z
dc.date.accessioned2025-09-08T23:23:49Z
dc.date.available2023-05-11T21:32:03Z
dc.date.issued2016-06
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico
dc.description.sponsorshipFAPEMIG - Fundação de Amparo à Pesquisa do Estado de Minas Gerais
dc.description.sponsorshipCAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
dc.format.mimetypepdf
dc.identifier.doihttps://doi.org/10.1186/s12955-016-0498-3
dc.identifier.issn1477-7525
dc.identifier.urihttps://hdl.handle.net/1843/53161
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofHealth and Quality of Life Outcomes
dc.rightsAcesso Aberto
dc.subjectAnticoagulants
dc.subjectValidation study
dc.subjectPatient medication knowledge
dc.subjectSurveys and questionnaires
dc.subject.otherAnticoagulants
dc.subject.otherValidation studies
dc.subject.otherPatient knowledge about medication
dc.subject.otherQuestionnaires
dc.titleAssessment of psychometric properties of the brazilian version of the oral anticoagulation knowledge test
dc.typeArtigo de periódico
local.citation.epage9
local.citation.issue96
local.citation.spage1
local.citation.volume14
local.description.resumoBackground: The aim of this study was to evaluate the psychometric properties of the Brazilian version of the Oral Anticoagulation Knowledge (OAK) Test. Methods: This study, conducted in an anticoagulation clinic, included 201 Brazilian participants aged over 18 years, who had been using warfarin for more than two months. The reliability of the instrument was evaluated by assessing internal consistency (Kuder-Richardson coefficient) and reproducibility (test-retest reliability). The validity was evaluated by hypothesizing that there would be a positive correlation of moderate to strong intensity between the correctness levels of the OAK Test and time within therapeutic range (TTR) values, which is a measure used to evaluate the quality of oral anticoagulation. Results: The instrument exhibited good psychometric properties. The total a Kuder-Richardson coefficient value was 0.818 and intraclass correlation coefficient was 0.967. The validity revealed a strong positive correlation between the values of the level of knowledge, as measured by the OAK Test and the TTR values (rs = 0.780). Conclusion: The instrument proved to be a reliable and valid tool for evaluating the knowledge of Brazilian patients on oral anticoagulation therapy with warfarin. This instrument may be incorporated into the practice of health care for substantiating the structuring of educational activities to ensure the improvement of knowledge about the use of warfarin, thereby increasing the effectiveness and safety of treatment.
local.publisher.countryBrasil
local.publisher.departmentFAO - DEPARTAMENTO DE ODONTOLOGIA SOCIAL E PREVENTIVA
local.publisher.departmentFAO - DEPARTAMENTO DE ODONTOPEDIATRIA E ORTODONTIA
local.publisher.departmentFAR - DEPARTAMENTO DE PRODUTOS FARMACÊUTICOS
local.publisher.departmentMED - DEPARTAMENTO DE CLÍNICA MÉDICA
local.publisher.initialsUFMG
local.url.externahttps://hqlo.biomedcentral.com/articles/10.1186/s12955-016-0498-3

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