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Epworth sleepiness scale: A meta-analytic study on the internal consistency
Maria Teresa Gonçalves1, Simone Malafaia1, José Moutinho Dos Santos2
1University of Aveiro, Department of Education and Psychology, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal.
Sleep Medicine
|July 24, 2023
Summary
The Epworth Sleepiness Scale (ESS) demonstrates good reliability for measuring sleepiness across diverse populations. However, variability in its psychometric properties necessitates further research into influencing factors.
Area of Science:
- Psychometrics
- Sleep Medicine
- Clinical Psychology
Background:
- The Epworth Sleepiness Scale (ESS) is a widely utilized self-report measure for assessing daytime sleepiness.
- Numerous translations and adaptations of the ESS exist globally, leading to varied psychometric properties across different contexts.
- Understanding the reliability of the ESS is crucial for its accurate application in clinical and research settings.
Conclusions:
- The Epworth Sleepiness Scale (ESS) is confirmed as a reliable instrument for assessing sleepiness.
- Further research is required to elucidate the variables contributing to the observed variability in ESS psychometric properties.
- Future studies should incorporate empirical data beyond psychometric evaluations to provide a comprehensive understanding of the ESS.
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