Chronotype Differences in Health Behaviors and Health-Related Quality of Life: A Population-Based Study Among Aged and Older Adults. Issue 5 (3rd September 2017)

• Record Type: Journal Article
• Authors: Suh, Sooyeon; Yang, Hae-Chung; Kim, Nanhee; Yu, Ji Hee; Choi, Sungwon; Yun, Chang-Ho; Shin, Chol
• Is Part Of: Behavioral sleep medicine. Volume 15:Issue 5(2017)
• Page Start: 361
• Page End: 376
• Publication Date: 2017-09-03
• Subjects: Sleep disorders -- Periodicals; Sleep -- Psychological aspects -- Periodicals; 616.8498
• DOI: 10.1080/15402002.2016.1141768
• Languages: English
• ISSNs: 1540-2002

Abstract

Abstract : This study investigates health behaviors, health-related quality of life (HRQOL) and sleep among chronotypes in a community-based sample ( n = 2, 976). Analysis of covariance indicated evening types (E-types) had a significantly higher percentage of current smokers and more sleep-interfering behaviors compared to intermediate and morning types (M-type), and also lower physical activity and more sleep disturbance compared to M-types. E-types also had worse mental HRQOL compared to both chronotypes, and worse physical HRQOL compared to M-types. Exploratory analyses indicated E-types consumed more caffeinated beverages at night, smoked or ate heavy meals before bedtime, kept irregular sleep-wake schedules, and took more naps. Mediational analyses indicated that sleep-interfering behavior partially mediated the relationship between chronotype and sleep disturbance, and physical activity partially mediated the relationship between chronotype and mental HRQOL. E-types had more unhealthy behaviors, which may subsequently place them at higher risk for health problems.