{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T15:49:31Z","timestamp":1787068171142,"version":"build-2736575974"},"reference-count":29,"publisher":"Georg Thieme Verlag KG","issue":"02","license":[{"start":{"date-parts":[[2025,3,19]],"date-time":"2025-03-19T00:00:00Z","timestamp":1742342400000},"content-version":"vor","delay-in-days":46,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico \u2013 CNPq","award":["307175\/2017-0"],"award-info":[{"award-number":["307175\/2017-0"]}]},{"name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico \u2013 CNPq","award":["303977\/2022-1"],"award-info":[{"award-number":["303977\/2022-1"]}]},{"DOI":"10.13039\/501100003593","name":"CNPq","doi-asserted-by":"crossref","award":["102282\/2024-2"],"award-info":[{"award-number":["102282\/2024-2"]}],"id":[{"id":"10.13039\/501100003593","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Arq Neuropsiquiatr"],"published-print":{"date-parts":[[2025,2]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Background\u2003Excessive daytime sleepiness (EDS) refers to the propensity to become drowsy or fall asleep when the intention and expectation would be to stay awake, and the Epworth Sleepiness Scale (ESS) is an easy-to-apply instrument that can be used to assess the presence of EDS.<\/jats:p>\n                  <jats:p>Objective\u2003To evaluate the psychometric properties of the ESS, including its construct validity and internal consistency, in a population of university students.<\/jats:p>\n                  <jats:p>Methods\u2003Two samples of 400 students from the medicine program of a university located in the Midwest of Brazil were randomly selected from a cross-sectional academic study conducted in 2018. Construct validity was examined through exploratory and confirmatory factor analysis of the eight items of the ESS, and the internal consistency was evaluated using the Cronbach's \u03b1 coefficient (\u03b1).<\/jats:p>\n                  <jats:p>Results\u2003It was found that factor analyses revealed better adjustment measures when considering the ESS to be two-dimensional, grouped into two main factors: the first factor referring to the evaluation of sleepiness at rest, and the second referring to drowsiness in activity (standardized root mean square residual [SRMR]\u2009=\u20090.053; root mean square error of approximation [RMSEA]\u2009=\u20090.095; Comparative Fit Index [CFI]\u2009=\u20090.937; and Tucker-Lewis Index [TLI]\u2009=\u20090.908; p\u2009&lt;\u20090.05). Moreover, the ESS presented an adequate internal consistency (\u03b1\u2009=\u20090.75).<\/jats:p>\n                  <jats:p>Conclusion\u2003The present study showed general psychometric properties adequate for the ESS in medical students, including an acceptable construct validity and internal consistency. Thus, the ESS may be suitable to assess EDS in university students, especially medical students.<\/jats:p>","DOI":"10.1055\/s-0045-1804921","type":"journal-article","created":{"date-parts":[[2025,3,19]],"date-time":"2025-03-19T19:58:52Z","timestamp":1742414332000},"page":"001-006","source":"Crossref","is-referenced-by-count":2,"title":["Psychometric properties of the Epworth Sleepiness Scale in Brazilian medical students"],"prefix":"10.1055","volume":"83","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6428-2823","authenticated-orcid":false,"given":"Renato Canevari Dutra da","family":"Silva","sequence":"additional","affiliation":[{"name":"Universidade do Vale do Rio dos Sinos, Programa de P\u00f3s-Gradua\u00e7\u00e3o em Sa\u00fade Coletiva, S\u00e3o Leopoldo RS, Brazil."},{"name":"Universidade do Rio Verde, Rio Verde GO, Brazil."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1111-4890","authenticated-orcid":false,"given":"Anderson","family":"Garcez","sequence":"additional","affiliation":[{"name":"Universidade Federal do Rio Grande do Sul, Programa de P\u00f3s-Gradua\u00e7\u00e3o em Ci\u00eancias M\u00e9dicas: Endocrinologia, Porto Alegre RS, Brazil."},{"name":"Universidade Federal de Ci\u00eancias da Sa\u00fade de Porto Alegre, Programa de P\u00f3s-Gradua\u00e7\u00e3o em Ci\u00eancias da Nutri\u00e7\u00e3o, Porto Alegre RS, Brazil."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7804-0331","authenticated-orcid":false,"given":"Adriana Vieira Macedo","family":"Brugnoli","sequence":"additional","affiliation":[{"name":"Universidade do Vale do Rio dos Sinos, Programa de P\u00f3s-Gradua\u00e7\u00e3o em Sa\u00fade Coletiva, S\u00e3o Leopoldo RS, Brazil."},{"name":"Universidade do Rio Verde, Rio Verde GO, Brazil."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2947-4229","authenticated-orcid":false,"given":"Marcos Pascoal","family":"Pattussi","sequence":"additional","affiliation":[{"name":"Universidade do Vale do Rio dos Sinos, Programa de P\u00f3s-Gradua\u00e7\u00e3o em Sa\u00fade Coletiva, S\u00e3o Leopoldo RS, Brazil."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3950-4594","authenticated-orcid":false,"given":"Maria Teresa Anselmo","family":"Olinto","sequence":"additional","affiliation":[{"name":"Universidade Federal do Rio Grande do Sul, Programa de P\u00f3s-Gradua\u00e7\u00e3o em Ci\u00eancias M\u00e9dicas: Endocrinologia, Porto Alegre RS, Brazil."},{"name":"Universidade Federal do Rio Grande do Sul, Programa de P\u00f3s-Gradua\u00e7\u00e3o em Alimenta\u00e7\u00e3o, Nutri\u00e7\u00e3o e Sa\u00fade, Porto Alegre RS, Brazil."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"194","published-online":{"date-parts":[[2025,3,19]]},"reference":[{"issue":"06","key":"ref1","doi-asserted-by":"publisher","first-page":"540","DOI":"10.1093\/sleep\/14.6.540","article-title":"A new method for measuring daytime sleepiness: the Epworth sleepiness scale","volume":"14","author":"M W Johns","year":"1991","journal-title":"Sleep"},{"issue":"01","key":"ref2","doi-asserted-by":"publisher","first-page":"59","DOI":"10.1016\/j.jsmc.2019.10.003","article-title":"Sleep predicts collegiate academic performance: implications for equity in student retention and success","volume":"15","author":"J R Prichard","year":"2020","journal-title":"Sleep Med Clin"},{"issue":"01","key":"ref3","doi-asserted-by":"publisher","first-page":"3","DOI":"10.1016\/s1087-0792(98)90050-8","article-title":"Rethinking the assessment of sleepiness","volume":"2","author":"M Johns","year":"1998","journal-title":"Sleep Med 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