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구분

학술행사 (포스터발표)

발표일

2010년 11월

제목

Sleep patterns among adolescents in South Korea

이용자료년도

2009년

저자

공경애 김윤정 박선민 지유나 김영택(질병관리본부 만성병조사과)

주요내용

○Background:
Despite evidence of the health implications of insufficient sleep, a large number of students in South Korea do not routinely get optimal hours of sleep. This study analyzed the sleep patterns and the association between sleep duration and health risk behaviors using data from the 2005-2009 Korea Youth Risk Behavior Web-based Survey (KYRBS)
○Methods:
Approximately 80,000 middle and high school students completed the anonymous self-administered web-based questionnaire at computer room in 800 sampled schools in 2005-2009. Statistical analyses were conducted on weighted data using SAS software to account for the complex sampling design.
○Results:
On a typical school day, waketime of students is around 6:46am, regardless of grade in 2009. Bedtime is between 11:37pm and 12:15am in middle school students, around midnight or later in high school students. The amount of sleep tended to get less sleep as they get older (from 7.4 hours in 7th grade to 5.4 hours in 12th grade). Overall 26.3% of students got a sufficient amount of sleep (7.0 hours), and 40.6% got an insufficient amount of sleep (5.9 hours). The percentage of current smoking, current drinking, obesity, felt stress, felt sad or hopeless, and considered attempting suicide were the highest among student who slept less than 4 hours, the lowest among student who slept 7 to 8 hours in 2005-2009.
○Conclusion:
South Korean students got less sleep as they get older and students with having health risk behaviors got less sleep than those who did not. But the causality cannot be determined with cross-sectional data. Therefore additional surveys are needed to identify the causality of relationships.

학술행사명

3rd European Public Health Conference

발표장소

Amsterdam, Netherlands
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