2014•Unpublished venueRequires access

Construct Validity and Factor Structure of the Pittsburgh Sleep Quality Index and Epworth Sleepiness Scale in a Multi

Bizu Gelaye, Vitool Lohsoonthorn, Somrat Lertmeharit, Sixto E. Sánchez, Yemane Berhane, Xiaotong Zhu, Clarita Barbosa, Asterio Anderade, Gebresilassie Tadesse, Michelle Anne Williams

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Abstract

Background: The Pittsburgh Sleep Quality Index (PSQI) and the Epworth Sleepiness Scale (ESS) are questionnaires used to assess sleep quality and excessive daytime sleepiness in clinical and population-based studies. The present study aimed to evaluate the construct validity and factor structure of the PSQI and ESS questionnaires among young adults in four countries (Chile, Ethiopia, Peru

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Key concepts: Epworth Sleepiness Scale, Pittsburgh Sleep Quality Index, Construct validity, Scale (ratio), Sleep quality, Psychology, Population, Index (typography)