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Prevalence of high screen time in English youth: Association with deprivation and physical activity

Ogunleye, AA and Voss, C and Sandercock, GR (2012) 'Prevalence of high screen time in English youth: Association with deprivation and physical activity.' Journal of Public Health, 34 (1). 46 - 53. ISSN 1741-3842

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Abstract

Background Physical activity (PA) and deprivation are major determinants of health. We estimated the prevalence of high screen time (ST) among English youth and examined whether deprivation mediated the relationship between ST and PA. Methods It is a cross-sectional study of 6240 participants (53 boys, aged 1015 years) enrolled in the East of England Healthy Hearts study. The participants were categorized into three groups based on daily ST: <2, 24 or >4 h. Participants were classified as 'active' or 'inactive' based on PA z-scores. Results Prevalence of >2 h ST was 36. Participants reporting <2 h daily ST were more likely to be active than those reporting 24 h (adjusted OR: 1.51, 95 CI: 1.261.82, P< 0.001) or >4 h (adjusted OR: 2.26, 95 CI: 1.912.67, P< 0.001). Analysis of covariance demonstrated a significant main effect for ST on PA (F 85.7, P< 0.001) with lower PA in each ascending ST group (P< 0.001). Deprivation was not significantly associated with PA and did not mediate the relationship between ST and PA. Conclusions There is high prevalence of >2 h ST in English schoolchildren. PA is lower in children reporting 24 versus <2 h daily ST and lower still in those classified as heavy users (>4 h) independent of deprivation. © 2012 The Author.

Item Type: Article
Subjects: R Medicine > RJ Pediatrics > RJ101 Child Health. Child health services
Divisions: Faculty of Science and Health > Sport, Rehabilitation and Exercise Sciences, School of
Depositing User: Jim Jamieson
Date Deposited: 10 Nov 2011 12:49
Last Modified: 30 Jan 2019 16:22
URI: http://repository.essex.ac.uk/id/eprint/1307

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