The association of contemporary screen-behaviours with physical activity, sedentary behaviour and sleep in adolescents: A cross-sectional analysis of the Millennium Cohort Study

Kontostoli, Elli, Jones, Andy P., Pearson, Natalie, Foley, Louise, Biddle, Stuart J. H. and Atkin, Andrew J. (2022) The association of contemporary screen-behaviours with physical activity, sedentary behaviour and sleep in adolescents: A cross-sectional analysis of the Millennium Cohort Study. International Journal of Behavioral Medicine. ISSN 1070-5503

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Abstract

Background: Screen behaviours are highly prevalent in adolescents and may be adversely associated with physical and mental health. Understanding how screen behaviours inter-relate with physical activity and sleep may help to clarify pathways through which they impact health and potential routes to behaviour change. This cross-sectional study examines the association of contemporary screen behaviours with physical activity, sedentary behaviour and sleep in adolescents. Method: Data are from sweep 6 (2015/2016) of the Millennium Cohort Study, conducted when participants were aged 14 years. Outcome variables were accelerometer-assessed overall physical activity and moderate-to-vigorous physical activity (MVPA), self-reported sedentary behaviour and sleep duration. Screen behaviours were assessed using a 24-h time-use diary. Multivariable regression was used to examine the association between screen behaviours and each outcome variable separately for weekdays and weekend days. Results: The use of social network sites was associated with (beta coefficient, 95% confidence interval (CI); minutes/day) less time in MVPA (weekdays: − 5.2 (− 10.3, − 0.04); weekend: − 10.0 (− 15.5, − 4.5)), and sedentary behaviours (weekdays: − 19.8 (− 31.0, − 8.6); weekend: − 17.5 (− 30.9, − 4.1)). All screen behaviours were associated with shorter sleep duration on weekdays, whereas only the use of email/texts and social network sites was associated with shorter sleep duration on weekend days. The association of using social network sites with overall physical activity was stronger in girls than in boys; the association of internet browsing with sedentary behaviour was stronger in boys than in girls. Conclusion: Intervention strategies to enhance MVPA and sleep duration by limiting screen-based activities may be warranted.

Item Type: Article
Additional Information: Funding: Elli Kontostoli is partially supported by an Academy of Medical Sciences/the British Heart Foundation/the Government Department of Business, Energy and Industrial Strategy/the Wellcome Trust Springboard Award (SBF003\1015), held by Dr Andrew Atkin. Additional funding from the University of East Anglia, Faculty of Medicine and Health Sciences, is gratefully acknowledged. Louise Foley was funded by the National Institute for Health Research (NIHR) (16/137/64) using UK aid from the UK Government to support global health research. The views expressed in this publication are those of the author(s) and not necessarily those of the NIHR or the UK Department of Health and Social Care.
Faculty \ School: Faculty of Medicine and Health Sciences > School of Health Sciences
Faculty of Medicine and Health Sciences > Norwich Medical School
Depositing User: LivePure Connector
Date Deposited: 03 Mar 2022 13:30
Last Modified: 21 Mar 2022 01:22
URI: https://ueaeprints.uea.ac.uk/id/eprint/83870
DOI: 10.1007/s12529-022-10077-7

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