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http://dx.doi.org/10.15434/kssh.2014.27.1.031

Caffeine Contained Beverage Intake and Sleep Quality of University Students  

Lee, Bokim (Department of Nursing, University of Ulsan)
Mi, Kyung (Department of Nursing, University of Ulsan)
Kim, Bomi (Department of Nursing, University of Ulsan)
Kim, Bomin (Department of Nursing, University of Ulsan)
Kim, Jieun (Department of Nursing, University of Ulsan)
Lee, Inhae (Department of Nursing, University of Ulsan)
In, Eungyo (Department of Nursing, University of Ulsan)
Jung, Seyeong (Department of Nursing, University of Ulsan)
Publication Information
Journal of the Korean Society of School Health / v.27, no.1, 2014 , pp. 31-38 More about this Journal
Abstract
Purpose: The purpose of this study was to identify the relationship between caffeinated beverage intake and sleep quality among university students. Methods: Data were collected through a survey of 262 university students in Ulsan conducted in Nov. 27 2013. The survey used a self-administered questionnaire, which was composed of questions regarding socio-demographic characteristics, sleep quality and the status of caffeinated beverage intake. The collected data were analyzed by descriptive statistics, pearson correlation analysis and multiple regression analysis, using SPSS/WIN 21 Program. Results: In average, The subjects consumed 6.43 cups of caffeinated beverage per week, intaking 397.60mg of caffeine. The correlations between sleep quality and the amount of caffeinated beverage intake and between sleep quality and the quantity of caffeine intake were statistically significant. By performing a multiple regression analysis, it was shown sleep quality decreased significantly as the amount of caffeine intake increased (p<.001). Conclusion: To improve university students' sleep quality, it is necessary to control their intake of caffeinated beverage.
Keywords
Caffeine; Sleep quality;
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Times Cited By KSCI : 5  (Citation Analysis)
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