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Int. J. Environ. Res. Public Health 2017, 14(6), 596; doi:10.3390/ijerph14060596

Associations among Screen Time and Unhealthy Behaviors, Academic Performance, and Well-Being in Chinese Adolescents

1
School of Health Sciences, Wuhan University, Wuhan 430071, China
2
College of Life Sciences, South-Central University for Nationalities, Wuhan 430074, China
3
Cerus Consulting LLC, Winston-Salem, NC 27101, USA
4
Department of Nutrition, The University of Tennessee at Knoxville, Knoxville, TN 37996, USA
5
Wake Forest Baptist Medical Center, Department of Family & Community Medicine, Wake Forest School of Medicine, Medical Center Boulevard, Winston-Salem, NC 27157, USA
6
Department of Epidemiology & Prevention, Wake Forest School of Medicine, Medical Center Boulevard, Winston-Salem, NC 27157, USA
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editor: Paul B. Tchounwou
Received: 29 March 2017 / Revised: 24 May 2017 / Accepted: 25 May 2017 / Published: 4 June 2017
(This article belongs to the Section Global Health)
View Full-Text   |   Download PDF [309 KB, uploaded 4 June 2017]

Abstract

Screen time is negatively associated with markers of health in western youth, but very little is known about these relationships in Chinese youth. Middle-school and high-school students (n = 2625) in Wuhan, China, completed questionnaires assessing demographics, health behaviors, and self-perceptions in spring/summer 2016. Linear and logistic regression analyses were conducted to determine whether, after adjustment for covariates, screen time was associated with body mass index (BMI), eating behaviors, average nightly hours of sleep, physical activity (PA), academic performance, and psychological states. Watching television on school days was negatively associated with academic performance, PA, anxiety, and life satisfaction. Television viewing on non-school days was positively associated with sleep duration. Playing electronic games was positively associated with snacking at night and less frequently eating breakfast, and negatively associated with sleep duration and self-esteem. Receiving electronic news and study materials on non-school days was negatively associated with PA, but on school days, was positively associated with anxiety. Using social networking sites was negatively associated with academic performance, but positively associated with BMI z-score, PA and anxiety. Screen time in adolescents is associated with unhealthy behaviors and undesirable psychological states that can contribute to poor quality of life. View Full-Text
Keywords: screen time; unhealthy eating behaviors; academic performance; mental health; Chinese adolescents screen time; unhealthy eating behaviors; academic performance; mental health; Chinese adolescents
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Yan, H.; Zhang, R.; Oniffrey, T.M.; Chen, G.; Wang, Y.; Wu, Y.; Zhang, X.; Wang, Q.; Ma, L.; Li, R.; Moore, J.B. Associations among Screen Time and Unhealthy Behaviors, Academic Performance, and Well-Being in Chinese Adolescents. Int. J. Environ. Res. Public Health 2017, 14, 596.

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