Title: Psychometric properties of Glasgow Sleep Effort Scale in Portuguese language
Authors: Meia-Via, Mariana Soares 
Marques, Daniel Ruivo 
Espie, Colin A. 
da Silva, Carlos Fernandes 
Allen Gomes, Ana 
Keywords: Adolescent;Adult;Female;Humans;Language;Male;Middle Aged;Portugal;Principal Component Analysis;Psychometrics;Sleep;Sleep Wake Disorders;Translating;Young Adult
Issue Date: 2016
Abstract: Sleep effort is generally defined as the attempt to force and induce sleep in a voluntary manner. This study aimed to document the psychometric properties of a brief measure of sleep effort--the Glasgow Sleep Effort Scale--in its European (Portuguese) version using a large sample (N = 2,995). The results supported the good internal consistency of the overall scale scores (α = .79). Potential construct validity was evaluated with various methods, including criterion validity. There was also a convergent validity indicator. Principal components analysis revealed a 1-dimensional structure that accounted for 45% of the total variance. This preliminary study suggests that this Portuguese version of the Glasgow Sleep Effort Scale is a measure of sleep behavior suitable for research and clinical purposes. However, more studies are needed, particularly with clinical groups.
URI: http://hdl.handle.net/10316/46853
DOI: 10.1037/pas0000178
Rights: openAccess
Appears in Collections:I&D CINEICC - Artigos em Revistas Internacionais

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