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KMID : 1151920230050010025
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Chronobiology in Medicine
2023 Volume.5 No. 1 p.25 ~ p.30
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Reliability and Validity of the Turkish Version of the Observation and Interview Based Diurnal Sleepiness Inventory
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Pelin Unsal
S-Hakki Onen
Fannie Onen
Gozde Sengul Aycicek
Olgun Deniz
Mert Esme
Ayse Dikmeer
Cafer Balci
Meltem Koca
Yelda Ozturk
Ilker Boga
Suna Burkuk
Erdem Karabulut
Meltem Halil
Mustafa Cankurtaran
Burcu Balam Dogu
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Abstract
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Objective : The Observation and Interview Based Diurnal Sleepiness Inventory (ODSI) is a valid 3-item tool used for assessment of excessive daytime sleepiness (EDS). The aim of this study was to investigate the reliability and validity of the ODSI in the Turkish language.
Methods : Linguistic validation of the ODSI was performed by forward-backward translation. The Turkish version of the ODSI and the Epworth Sleepiness Scale (ESS) were administered in EDS and control groups.
Results : The ODSI was tested in 106 older patients. The median age of the patients was 73 (65?89) years and 55.7% were female. The EDS group was older and more dependent on instrumental activities of daily living than the control group. The inter-rater reliability of the ODSI was high (interclass correlation coefficient [ICC]: 0.851, 95% confidence interval [CI]: 0.540?0.958, p<0.001). Test-retest reliability was also high for the total sample (ICC: 0.871, 95% CI: 0.632?0.959, p<0.001). Positive strong correlations were found with the ESS (Speraman’s rho=0.876, 95% bootstrap CI [0.813?0.918], p<0.001). ROC curve analysis showed an area under the curve of 0.968 (95% CI: 0.937?0.998), a cutoff score of ≥6, a sensitivity of 94.1%, a specificity of 87.6%, a positive predictive value of 76.55%, and a negative predictive value of 97.2%.
Conclusion : Our data validate the ODSI for application in Turkish-speaking populations. The simplicity, reliability, and the apparent lack of relevant influences of cultural background on performance of the 3-item ODSI make it a valuable tool for clinical management and research.
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KEYWORD
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Excessive daytime sleepiness, Sleep, Validation Study, Geriatrics
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