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Psychometric properties of the Brief Illness Perception Questionnaire (Brief‐IPQ) in periodontal diseases

2019-12Artigo científico Acesso restrito
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dc.contributor.authorMachado, Vanessa
dc.contributor.authorBotelho, João
dc.contributor.authorRamos, Catarina
dc.contributor.authorProença, Luís
dc.contributor.authorAlves, Ricardo
dc.contributor.authorCavacas, Maria Alzira
dc.contributor.authorMendes, José João
dc.date.accessioned2020-10-20T12:01:06Z
dc.date.available2020-10-20T12:01:06Z
dc.date.issued2019-12
dc.description.abstractAim: To investigate the psychometric properties of the validated Portuguese version of the Brief Illness Perception Questionnaire (Brief‐IPQ) in patients with gingivitis and periodontitis. Material and Methods: This study enrolled 571 patients with periodontal diseases (PDs) (67 gingivitis and 504 periodontitis cases), in a population‐based epidemiologic survey conducted at the health centres in the South Lisbon Metropolitan Area. Brief‐IPQ, a 9‐item self‐reported scale, reliability was evaluated using Cronbach's alpha. Confirmatory factor analysis (CFA) was used to construct validation. Multigroup analysis tested invariance across gender. Results: The Brief‐IPQ showed acceptable reliability (α = .80). Confirmatory factor analysis revealed good model fit (χ2 (16) = 41.236, GFI = 0.982, CFI = 0.985, RMSEA = 0.053). All factors loaded similarly to the original Brief‐IPQ scale, with the exception of the “personal control” domain. Periodontal patients downgrade its illness and likely impact. The “consequences” domain showed significant positive correlations with all factors, except “treatment control” and “understanding” domains. The “concern” and “emotional response” domains had the highest significant correlation. Multigroup analysis findings supported factor invariance across the sex groups. Conclusion: The Brief‐IPQ revealed acceptable reliability, construct factorial validity and invariance across gender. This short instrument may be used as an easily applicable and valuable tool to determine illness perception in patients with PDs.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationMachado, V, Botelho, J, Ramos, C, et al. Psychometric properties of the Brief Illness Perception Questionnaire (Brief‐IPQ) in periodontal diseases. J Clin Periodontol. 2019; 46: 1183– 1191. https://doi.org/10.1111/jcpe.13186pt_PT
dc.identifier.doi10.1111/jcpe.13186pt_PT
dc.identifier.issn1600-051X
dc.identifier.urihttp://hdl.handle.net/10400.26/33674
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherWileypt_PT
dc.relation.publisherversionhttps://doi.org/10.1111/jcpe.13186pt_PT
dc.subjectBrief‐IPQpt_PT
dc.subjectIllness perceptionpt_PT
dc.subjectPeriodontal diseasespt_PT
dc.subjectPsychometric propertiespt_PT
dc.titlePsychometric properties of the Brief Illness Perception Questionnaire (Brief‐IPQ) in periodontal diseasespt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage1191pt_PT
oaire.citation.startPage1183pt_PT
oaire.citation.titleJournal of Clinical Periodontologypt_PT
oaire.citation.volume46(12)pt_PT
rcaap.embargofctPolítica de copyright do editorpt_PT
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT

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