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CC BY-NC-ND 4.0 · Sleep Sci 2022; 15(S 01): 97-104
DOI: 10.5935/1984-0063.20220006
ORIGINAL ARTICLES

Validation of the Colombian version of the Karolinska sleepiness scale

María Camila Laverde-López
1   Universidad Nacional de Colombia, Faculty of Medicine, Department of Internal Medicine, Aerospace Medicine Specialty - Bogotá - Bogotá D.C. - Colombia.
,
Franklin Escobar-Córdoba
2   Universidad Nacional de Colombia, Faculty of Medicine, Psychiatry Department - Bogotá - Bogotá D.C. - Colombia.
3   Fundación Sueño Vigilia Colombiana, Management Office - Bogotá - Bogotá D.C. - Colombia.
4   Universidad Nacional de Colombia, Hospital Universitario Nacional de Colombia - Bogotá - Bogotá D.C. - Colombia.
,
Javier Eslava-Schmalbach
4   Universidad Nacional de Colombia, Hospital Universitario Nacional de Colombia - Bogotá - Bogotá D.C. - Colombia.
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Introduction Currently, daytime sleepiness is a prevalent condition worldwide. Locally validated instruments for measuring sleepiness are required. The objective of this study was to validate a version of the Karolinska sleepiness scale that was translated into the Spanish spoken in Colombia.

Methods Individuals who attended a sleep laboratory for a polysomnography study and people in the general population were included. The validation process was performed in 6 phases: translation and back translation of the original version of the scale (English), face validity (n=13), pilot test (n=20), criteria validity (n=139) by means of polysomnography and the Epworth sleepiness scale, reproducibility (n=34), and sensitivity to change (n=40).

Results Regarding its discriminant validity, the Colombian version of the Karolinska sleepiness scale is correlated with the Epworth sleepiness scale, provided that a Mann-Whitney z=2661 (p=0.0078) was obtained. The scale has an acceptable reproducibility, Spearman Rho=0.55 (p=0.0002), and sensitivity to change, as shown through a two-tailed t test (p=0.0000).

Conclusions The Karolinska Sleepiness Scale was successfully adapted to the Spanish variation spoken in Colombian and to the conditions of adult Colombians; thus, it constitutes a valid, reliable, and easy to use instrument for the assessment of patients with hypersomnia.

Disorders of Excessive Somnolence - Colombia - Validation Studies - Sleep Wake Disorders (MeSH)

FUNDING SOURCE

Universidad Nacional de Colombia, Bogotá campus; Fundación Sueño Vigilia Colombiana. Bogotá D.C., Colombia.




Publication History

Received: 07 September 2020

Accepted: 21 July 2021

Article published online:
01 December 2023

© 2023. Brazilian Sleep Association. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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