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Validity and reliability of Sleep Quality Scale in subjects with obstructive sleep apnea syndrome

Title
Validity and reliability of Sleep Quality Scale in subjects with obstructive sleep apnea syndrome
Authors
Yi H.Shin K.Kim J.Lee J.Shin C.
Ewha Authors
신경림
SCOPUS Author ID
신경림scopus
Issue Date
2009
Journal Title
Journal of Psychosomatic Research
ISSN
0022-3999JCR Link
Citation
vol. 66, no. 1, pp. 85 - 88
Indexed
SCI; SCIE; SSCI; SCOPUS WOS scopus
Abstract
Objective: The present study aimed to evaluate the validity and reliability of Sleep Quality Scale (SQS) in subjects with obstructive sleep apnea syndrome (OSAS). Methods: The known group technique was used for construct validity. The study sample was composed of 40 persons with OSAS and 37 normal subjects. OSAS was defined as an apnea-hypopnea index (AHI) of ≥5 plus an Epworth Sleepiness Scale (ESS) score of >10. Control group was composed of subjects who had no history of depression and sleep problems as identified by self-report and polysomnography. A Cronbach's alpha coefficient was used for internal consistency. Results: The total SQS score of the OSAS subjects was significantly higher than that of the normal subjects. The SQS score homogeneity was high with a Cronbach's alpha coefficient of 0.90 in all subjects, 0.87 in the OSAS subjects, and 0.70 in the normal subjects. Conclusion: SQS was confirmed to be an instrument with validity and high reliability for measuring sleep quality in OSAS subjects. © 2009 Elsevier Inc. All rights reserved.
DOI
10.1016/j.jpsychores.2008.07.008
Appears in Collections:
간호대학 > 간호학전공 > Journal papers
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