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Screen-time is associated with adiposity and insulin resistance in children

Nightingale, CM; Rudnicka, AR; Donin, AS; Sattar, N; Cook, DG; Whincup, PH; Owen, CG (2017) Screen-time is associated with adiposity and insulin resistance in children. ARCHIVES OF DISEASE IN CHILDHOOD, 102 (7). pp. 612-616. ISSN 0003-9888 https://doi.org/10.1136/archdischild-2016-312016
SGUL Authors: Cook, Derek Gordon Nightingale, Claire Owen, Christopher Grant Rudnicka, Alicja Regina Whincup, Peter Hynes Donin, Angela

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Abstract

Background Higher screen time is associated with type 2 diabetes (T2D) risk in adults, but the association with T2D risk markers in children is unclear. We examined associations between self-reported screen time and T2D risk markers in children. Methods Survey of 4495 children aged 9–10 years who had fasting cardiometabolic risk marker assessments, anthropometry measurements and reported daily screen time; objective physical activity was measured in a subset of 2031 children. Results Compared with an hour or less screen time daily, those reporting screen time over 3 hours had higher ponderal index (1.9%, 95% CI 0.5% to 3.4%), skinfold thickness (4.5%, 0.2% to 8.8%), fat mass index (3.3%, 0.0% to 6.7%), leptin (9.2%, 1.1% to 18.0%) and insulin resistance (10.5%, 4.9% to 16.4%); associations with glucose, HbA1c, physical activity and cardiovascular risk markers were weak or absent. Associations with insulin resistance remained after adjustment for adiposity, socioeconomic markers and physical activity. Conclusions Strong graded associations between screen time, adiposity and insulin resistance suggest that reducing screen time could facilitate early T2D prevention. While these observations are of considerable public health interest, evidence from randomised controlled trials is needed to suggest causality.

Item Type: Article
Additional Information: This is an Open Access article distributed in accordance with the terms of the Creative Commons Attribution (CC BY 4.0) license, which permits others to distribute, remix, adapt and build upon this work, for commercial use, provided the original work is properly cited. See: http://creativecommons.org/licenses/by/4.0/
Keywords: Pediatrics, 1103 Clinical Sciences, 1114 Paediatrics And Reproductive Medicine, 1117 Public Health And Health Services
SGUL Research Institute / Research Centre: Academic Structure > Population Health Research Institute (INPH)
Journal or Publication Title: ARCHIVES OF DISEASE IN CHILDHOOD
ISSN: 0003-9888
Dates:
DateEvent
1 July 2017Published
13 March 2017Published Online
4 January 2017Accepted
Publisher License: Creative Commons: Attribution 4.0
Projects:
Project IDFunderFunder ID
068362/Z/02/ZWellcome Trusthttp://dx.doi.org/10.13039/100004440
PG/06/003British Heart Foundationhttp://dx.doi.org/10.13039/501100000274
G0501295Medical Research Councilhttp://dx.doi.org/10.13039/501100000265
CLAHRC-2013-10022National Institute for Health Researchhttp://dx.doi.org/10.13039/501100000272
URI: https://openaccess.sgul.ac.uk/id/eprint/108500
Publisher's version: https://doi.org/10.1136/archdischild-2016-312016

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