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Associations of Overall Sedentary Time and Screen Time with Sleep Outcomes

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Objective: To examine associations of accelerometer-assessed sedentary time and self-reported screen time with sleep outcomes. Methods: Cross-sectional study of 1674 adults from the 2005-2006 US National Health and Nutrition Examination Survey. Accelerometers were used to assess sedentary time. Screen time and sleep metrics were assessed via self-report. Results: Accelerometer-assessed sedentary time was not associated with sleep outcomes. Compared to participants with the least screen time (<2h/ day), participants with the most screen time (>6h/day) were more likely to report trouble falling asleep (OR = 2.78, 95% CI: 1.21, 6.40) and wake during the night (OR = 2.55, 95% CI: 1.17, 5.52). Conclusions: With respect to sleep outcomes, context-specific sedentary behaviors may be more important than overall sedentary time.


Document Type: Research Article

Affiliations: 1: Athabasca University, Faculty of Health Disciplines, Athabasca, Alberta, Canada. [email protected] 2: Arizona State University, School of Nutrition and Health Promotion, Phoenix, AZ, USA 3: Loughborough University, School for Sport, Exercise & Health Sciences, Loughborough, UK 4: Baker IDI Heart and Diabetes Institute, Melbourne, Australia

Publication date: January 1, 2015

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  • The American Journal of Health Behavior seeks to improve the quality of life through multidisciplinary health efforts in fostering a better understanding of the multidimensional nature of both individuals and social systems as they relate to health behaviors.

    The Journal aims to provide a comprehensive understanding of the impact of personal attributes, personality characteristics, behavior patterns, social structure, and processes on health maintenance, health restoration, and health improvement; to disseminate knowledge of holistic, multidisciplinary approaches to designing and implementing effective health programs; and to showcase health behavior analysis skills that have been proven to affect health improvement and recovery.

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