Transcultural adaptation and validation of the Epworth sleepiness scale in the Chilean population

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Matías Gómez G.
Bárbara Deck G.
Pilar Santelices B.
Gabriel Cavada Ch.
Claudio Volpi A.
Leonardo Serra M.

Keywords

epworth sleepiness scale, sleepiness, questionnaire, obstructive sleep apnea, polysomnogram

Abstract

Introduction: Excessive daytime sleepiness (EDS) is associated with different sleep disor- ders, which in turn causes a significant decline quality of life. Epworth sleepiness scale (ESS) is a frequently used instrument to quantify EDS, but it has not been validated in Chile. Aim: Transcultural and psychometric validation of ESS Chilean version. Material and Method: ESS-CL was initially adapted and applied to a pilot group on two separate oc- casions. Reliability was assessed via Cronbach’s alpha and test-retest. ESS-CL was applied to 94 patients with diagnosis of obstructive sleep apnea (OSA) and 100 control to assess its sensitivity. Results: Reliability values (Cronbach’s alpha and test-retest) were 0.732 y 0.837 respectively. The ability to discriminate OSA was 67%. Conclusion: The ESS-CL is a valid and reliable instrument. A score higher than 11 points is associated with a greater risk of OSA. It is a useful and accessible tool for patients in whom OSA is suspected.

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