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https://hdl.handle.net/10316/95687
Título: | Psychometric properties and accuracy of the European Portuguese version of the Pittsburgh Sleep Quality Index in clinical and non-clinical samples | Outros títulos: | PSQI - versão portuguesa (português europeu): validade, sensibilidade e especificidade em amostras clínicas e recolhidas na comunidade | Autor: | Gomes, Ana Cardoso Allen Marques, Daniel Ruivo Meiavia, Ana Maria Cunha, Filipa Clemente, Vanda Maria Oliveira |
Palavras-chave: | PSQI - versão portuguesa / portuguese version; qualidade de sono | Data: | 2018 | Editora: | Springer | Título da revista, periódico, livro ou evento: | Sleep and Biological Rhythms | Volume: | 16 | Número: | 4 | Resumo: | To assess the reliability and validity concerning the formal European Portuguese version of the Pittsburgh Sleep Quality Index [PSQI (EP)], its accuracy, and optimal cut-off point. N = 564 volunteers (18–80 years old) recruited in several settings (e.g., university campuses; work place; home; sleep consultations), agreed to complete the PSQI (EP). Subgroups completed additional measures: Insomnia Severity Index (ISI), STOP-Bang, Glasgow Sleep Effort Scale, or responded to a supplementary question about perceived sleep problems. As to internal consistency, Cronbach’s α = 0.75. Principal component analysis revealed a unidimensional structure. Six PSQI (EP) components and total scores were able to discriminate individuals who did versus did not describe having any sleep problem; all PSQI (EP) scores were significantly higher (denoting poorer quality) in participants suffering from a sleep disorder. Most Cohen’s d values showed large magnitude associations. PSQI (EP) and ISI scores were highly correlated, but no significant correlations were found considering STOP-Bang. ROC analysis confirmed an optimal cut-off point > 5 of the PSQI (EP) to detect self-reported poor/good sleepers in non-clinical settings. To discriminate non-clinical from clinical sleep patients, the optimal cutoff was > 7, and AUC = 0.94. The European Portuguese version of the PSQI performs as a reliable, valid, and accurate measure of overall sleep quality in Portuguese participants. Furthermore, results suggest that PSQI (EP) can discriminate poor sleepers in non-clinical settings, in addition to demonstrating high clinical accuracy in signaling potential sleep-disorder cases. In conclusion, the PSQI (EP) is a suitable tool to assess general sleep quality in Portuguese participants, both for clinical or non-clinical applications. | Descrição: | Visualização do artigo integral / Full lenght article view: https://rdcu.be/R9I1 | URI: | https://hdl.handle.net/10316/95687 | ISSN: | 1446-9235 1479-8425 |
DOI: | 10.1007/s41105-018-0171-9 | Direitos: | openAccess |
Aparece nas coleções: | FPCEUC - Artigos em Revistas Internacionais |
Ficheiros deste registo:
Ficheiro | Descrição | Tamanho | Formato | |
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2018- PSQI PrePrint Version [manually corrected].pdf | 9.43 MB | Adobe PDF | Ver/Abrir |
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