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Validity and reliability of the Portuguese version of the modified Migraine Disability Assessment

dc.contributor.authorFerreira, Pedro L.
dc.contributor.authorLuzeiro, Isabel
dc.contributor.authorLopes, Margarida
dc.contributor.authorJorge, André
dc.contributor.authorSilva, Bruno
dc.contributor.authorFerreira, Lara
dc.date.accessioned2021-03-08T23:32:22Z
dc.date.available2021-03-08T23:32:22Z
dc.date.issued2021-02-06
dc.date.updated2021-03-01T04:19:06Z
dc.description.abstractBackground Migraine Disability Assessment Scale (MIDAS) is a useful tool to measure headache-related disability. Modified MIDAS with 4-week recall period reduces recall bias and improves accuracy of the results. This study aimed at validating mMIDAS in Portuguese. Methods Studied population consisted of adult migraine patients attending a headache outpatient clinic. Reliability was assessed by internal consistency and reproducibility in a 3-week test-retest. Content validity was evaluated by two expert panels. Construct validity was tested by comparing mMIDAS-P index in socioeconomic and clinical patient groups and scale unidimensionality was evidenced by factor analysis. Criterion validity was tested using EQ-5D-5L and HADS. Results Ninety-two patients, 88% female, mean age of 44 years, participated. They had, in average, 9.7 headache days in previous month, pain averaging 7.5/10. About 69.9% were on a migraine prophylactic treatment, and 42.4% had severe disability; 29.4 and 13.0% showed, respectively, moderate/severe anxiety and depression. Content validity showed that mMIDAS-P is simple and clinically useful. It did not show to be determined by patient’s sociodemographic characteristics and it was correlated with depression scale and EQ-5D-5L. Test-retest demonstrated high reproductive reliability and good internal consistency. Conclusion mMIDAS-P is valid and reliable. We strongly recommend it for clinical and research use.pt_PT
dc.description.sponsorshipThis project was funded by a research grant from Novartis Farma. The authors were not in any way influenced by this funding. This was only used for logistic purposes. CEISUC/CIBB is funded by national funds through FCT - Foundation for Science and Technology, I.P., under the Multiannual Financing of R&D Units 2020–2023.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationBMC Neurology. 2021 Feb 06;21(1):58pt_PT
dc.identifier.doi10.1186/s12883-021-02085-zpt_PT
dc.identifier.issn1471-2377
dc.identifier.urihttp://hdl.handle.net/10400.1/15200
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherBioMed Centralpt_PT
dc.rights.holderThe Author(s)
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectPatient reported outcomespt_PT
dc.subjectQuality of lifept_PT
dc.subjectMigrainept_PT
dc.subjectmMIDAS-Ppt_PT
dc.subjectProductivitypt_PT
dc.subjectDisabilitypt_PT
dc.titleValidity and reliability of the Portuguese version of the modified Migraine Disability Assessmentpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.issue1pt_PT
oaire.citation.startPage58pt_PT
oaire.citation.titleBMC Neurologypt_PT
oaire.citation.volume21pt_PT
person.familyNameFerreira
person.givenNameLara
person.identifier.ciencia-id761A-3037-8E22
person.identifier.orcid0000-0003-2378-7750
person.identifier.ridB-7575-2019
person.identifier.scopus-author-id24491766400
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicatione93501ac-9707-4e92-bb2c-cc91bc09b428
relation.isAuthorOfPublication.latestForDiscoverye93501ac-9707-4e92-bb2c-cc91bc09b428

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