2020
DOI: 10.4094/chnr.2020.26.1.55
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The Pittsburg Sleep Quality Index (PSQI) and Associated Factors in Middle-school Students: A Cross-sectional Study

Abstract: Purpose: The purpose of this study was to evaluate the current level of sleep quality among Korean middle-school students using the Pittsburg Sleep Quality Index (PSQI), and to analyze the factors influencing sleep quality.Methods: The study used a descriptive cross-sectional design and a self-report questionnaire. The participants were 744 middle-school students. The questionnaire included the PSQI and health-related questions, such as the types of diseases they had been diagnosed with and the frequency of ho… Show more

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Cited by 16 publications
(15 citation statements)
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“…The Cronbach's alpha of 0.83 and test-retest reliability of 0.85 have been reported for sleep quality (19). A specificity of 86.5% and a sensitivity of 89.6% have been revealed for the experimental and control respondents at a cutoff point of 5 (19). The Persian version of sleep quality has been reported with Cronbach's alpha coefficient of 0.77 for 125 patients with psychiatric disorders and 133 healthy individuals (25).…”
Section: Measurement Instrumentsmentioning
confidence: 93%
See 3 more Smart Citations
“…The Cronbach's alpha of 0.83 and test-retest reliability of 0.85 have been reported for sleep quality (19). A specificity of 86.5% and a sensitivity of 89.6% have been revealed for the experimental and control respondents at a cutoff point of 5 (19). The Persian version of sleep quality has been reported with Cronbach's alpha coefficient of 0.77 for 125 patients with psychiatric disorders and 133 healthy individuals (25).…”
Section: Measurement Instrumentsmentioning
confidence: 93%
“…This scale has been widely applied in many investigations (21)(22)(23)(24)(25). The Cronbach's alpha of 0.83 and test-retest reliability of 0.85 have been reported for sleep quality (19). A specificity of 86.5% and a sensitivity of 89.6% have been revealed for the experimental and control respondents at a cutoff point of 5 (19).…”
Section: Measurement Instrumentsmentioning
confidence: 99%
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“…[21][22][23][24][25][26] When assessing the sleep status, various sleep measurements have been developed, the most widely employed is the Pittsburgh Sleep Quality Index (PSQI). 27 And sleep hygiene status assessed by RU-SATED could make a valid complement. 28 Both scales were conducted in the current manuscript.…”
Section: Potential Risk Factors To Psychological Problemsmentioning
confidence: 99%