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자료유형
학술저널
저자정보
김대영 (충남대학교) 장희진 (충남대학교 의과대학 신경과학교실) 이완균 (충남대학교병원 신경과) 서호성 (충남대학교 의과대학 충남대학교병원 신경과) 양광익 (순천향대학교) 주민경 (연세대학교) 윤창호 (분당서울대학교병원)
저널정보
대한수면연구학회 Journal of sleep medicine Journal of sleep medicine Vol.17 No.1
발행연도
2020.1
수록면
66 - 72 (7page)

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Objectives: The aim of this study is to evaluate relationship of health-related quality of life (HRQoL) with chronotype along with quality and quantity of sleep in Korean middle adults. Methods: Data was derived from the nationwide, cross-sectional study on sleep surveyed 2,501 representative adult Koreans. We collected data from 1,435 participants aged ≥35 years and <65 years to represent Korean middle adults. The Chronotype Questionnaire was used to assess phase and distinctiveness of the circadian rhythm. The Pittsburgh Sleep Quality Index (PSQI) was used to assess sleep quality. Quantity of sleep was investigated by questions regarding sleep habits during workdays and free days. EuroQol-5D 3-level version was used to measure HRQoL. Results: On univariable analyses, eveningness is associated with younger age (47.7±8.2 vs. 51.3±8.1 years, p<0.001), and higher PSQI total score (4.3±2.7 vs. 3.6±2.2, p<0.001) compared with morningness. Strong distinctiveness also associated with higher PSQI total score (4.2±2.3 vs. 3.6±2.5, p< 0.001) compared with weak distinctiveness. Age was not different between the two groups of distinctiveness. On multivariable analyses, strong distinctiveness is an independent factor predicting impairment of pain/ discomfort [odd ratio (OR) 1.589, 95% confidence interval (CI) 1.182–2.130] and depression/anxiety (OR 1.412, 95% CI 1.003–1.987). Poor sleep quality was the most powerful independent factor predicting impairments in all five domains of the HRQoL. Conclusions: Sleep quality is an important factor independently related to the HRQoL. Among chronotype variables, only distinctiveness has an independent relation with the HRQoL.

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