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http://dx.doi.org/10.22156/CS4SMB.2020.10.11.148

The Reliability and Validity Testing of Korean Version of the Pittsburgh Sleep Quality Index  

Shin, Seunghwa (Department of Nursing, Andong Science College)
Kim, Su Hyun (College of Nursing, Kyungpook National University)
Publication Information
Journal of Convergence for Information Technology / v.10, no.11, 2020 , pp. 148-155 More about this Journal
Abstract
The purpose of the study was to test the reliability and validity of the Korean version of Pittsburgh Sleep Quality Index (PSQI-K) and to examine the cutoff point of the PSQI-K for screening insomnia among young adults. The subjective quality and patterns of sleep in 64 participants were measured using PSQI-K and Fitbit Charge 3TM. The properties of the instrument were analyzed using Cronbach's alpha coefficient for the internal consistency reliability, factor analysis for the construct validity, and Spearman's rho correlation coefficient for the correlation between the PSQI-K total scores and Fitbit tracker scores. The Cronbach's alpha coefficient of the PSQI-K was 0.69. The Spearman's rho correlation coefficient between the PSQI-K and Fitbit tracker was higher than 0.67. A cutoff point of ≥6.0 had a sensitivity of 0.93 and a specificity of 0.84. In conclusion, the PSQI-K is a reliable and valid instrument to evaluate sleep disturbance in Korean young adults.
Keywords
Reliability; Young adult; Validity; PSQI-K; Sleep;
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Times Cited By KSCI : 5  (Citation Analysis)
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