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Associations of sedentary time patterns and TV viewing time with inflammatory and endothelial function biomarkers in children

Gabel, L., Ridgers, N. D., Della Gatta, P. A., Arundell, L., Cerin, E., Robinson, S., Daly, R. M., Dunstan, D. W. and Salmon, J. 2016, Associations of sedentary time patterns and TV viewing time with inflammatory and endothelial function biomarkers in children, Pediatric obesity, vol. 11, no. 3, pp. 194-201, doi: 10.1111/ijpo.12045.

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Title Associations of sedentary time patterns and TV viewing time with inflammatory and endothelial function biomarkers in children
Author(s) Gabel, L.
Ridgers, N. D.
Della Gatta, P. A.
Arundell, L.
Cerin, E.
Robinson, S.
Daly, R. M.
Dunstan, D. W.
Salmon, J.
Journal name Pediatric obesity
Volume number 11
Issue number 3
Start page 194
End page 201
Total pages 8
Publisher Wiley-Blackwell
Place of publication Chichester, Eng.
Publication date 2016-06
ISSN 2047-6302
2047-6310
Keyword(s) cardiometabolic
paediatric
sedentary behaviour
Summary OBJECTIVE: Investigate associations of TV viewing time and accelerometry-derived sedentary time with inflammatory and endothelial function biomarkers in children.

METHODS: Cross-sectional analysis of 164 7-10-year-old children. TV viewing time was assessed by parental proxy report and total and patterns of sedentary time accumulation (e.g. prolonged bouts) were assessed by accelerometry. C-reactive protein (CRP), homeostasis model assessment of insulin resistance, interleukin-2, -6, -8, -10, tumour necrosis factor alpha, adiponectin, resistin, brain-derived neurotrophic factor, soluble intercellular and vascular adhesion molecule 1, plasminogen activator inhibitor 1 and soluble E-selectin were assessed. Generalised linear models assessed the associations of TV viewing and sedentary time with biomarkers, adjusting for sex, waist circumference, moderate- to vigorous-intensity physical activity and diet density.

RESULTS: Each additional h week(-1) of TV viewing was associated with 4.4% (95% CI: 2.1, 6.7) greater CRP and 0.6% (0.2, 1.0) greater sVCAM-1 in the fully adjusted model. The association between frequency and duration of 5-10 min bouts of sedentary time and CRP was positive after adjustment for sex and waist circumference but attenuated after adjustment for diet density.

CONCLUSIONS: This study suggests that TV viewing was unfavourably associated with several markers of inflammation and endothelial dysfunction. The detrimental association between 5 and 10 min bouts of sedentary time and CRP approached significance, suggesting that further research with a stronger study design (longitudinal and/or experimental) is needed to better understand how the accumulation of sedentary time early in life may influence short and longer term health.
Language eng
DOI 10.1111/ijpo.12045
Field of Research 110699 Human Movement and Sports Science not elsewhere classified
Socio Economic Objective 920401 Behaviour and Health
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2015, The Authors
Free to Read? Yes
Use Rights Creative Commons Attribution noncommercial no derivatives licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30074043

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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.