Psychometric properties of a subjective sleep quality index to be used with the elderly: an exploratory study

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dc.contributor.authorMarques, Mariana
dc.contributor.authorEspirito-Santo, Helena
dc.contributor.authorMatreno, Joana
dc.contributor.authorFermino, Simon
dc.contributor.authorAlves, Vítor
dc.contributor.authorVigário, Vanessa
dc.contributor.authorNascimento, Tirsa
dc.contributor.authorMoitinho, Sara
dc.contributor.authorAlmeida, Rute
dc.contributor.authorCosta, André
dc.contributor.authorTomaz, Marisa
dc.contributor.authorCaldas, Luísa
dc.contributor.authorTestas, Lília
dc.contributor.authorFerreira, Libânia
dc.date.accessioned2013-01-17T22:37:52Z
dc.date.available2013-01-17T22:37:52Z
dc.date.issued2012
dc.descriptionEste trabalho inseriu-se no projeto de investigação: Trajetórias do Envelhecimento: estudo dos fatores preditores da demência e do envelhecimento saudávelpt_PT
dc.description.abstractObjectives: Explore the psychometric properties of a sleep quality index to be used with the elderly population. Methods: 99 elderly (mean age, M=78.65; SD= 6.92; range=60-95) under social responses in institutions from Coimbra Council were assessed through a sleep questionnaire, composed of a sleep quality index and questions assessing sleep correlates. The sleep index is composed by seven items assessing sleep latency, difficulty in falling asleep, number of night awakenings, waking up spontaneously too early, subjective perception that waking up too early constitutes a problem for the person and two items that evaluate general subjective sleep quality and sleep depth. Results: KMO = .830; Bartlett’s Test of Sphericity ≤.001. A principal components analysis and the scree plot inspection revealed a one-factor solution, explaining 48.8% of the total variance. Very good internal consistency (Cronbach alpha coefficient; α=.812). Conclusion: This sleep quality index presents good psychometric properties. Since, in terms of assessment, it is important not to overload the elderly population, this very short instrument constitutes a good option to assess sleep quality.pt_PT
dc.identifier.citationMarques, M., Espirito-Santo, H., Matreno, J., Fermino, S., Alves, V., Vigário, V., et al. (2012). Psychometric properties of a subjective sleep quality index to be used with the elderly: an exploratory study. Journal of Sleep Research, 21(Suppl. 1), S199.pt_PT
dc.identifier.urihttp://repositorio.ismt.pt/handle/123456789/77
dc.language.isoengpt_PT
dc.publisherJournal of Sleep Researchpt_PT
dc.relation.ispartofseriesP589;
dc.rightsinfo:eu-repo/semantics/restrictedAccesspt_PT
dc.subjectEnvelhecimento - Agingpt_PT
dc.subjectSono - Sleeppt_PT
dc.subjectPsicometria - Psychometricspt_PT
dc.titlePsychometric properties of a subjective sleep quality index to be used with the elderly: an exploratory studypt_PT
dc.typearticlept_PT
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