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The Association Between Cardiorespiratory Fitness and Cardiometabolic Risk in Children is Mediated by Abdominal Adiposity: The HAPPY Study

Lookup NU author(s): Dr Sarah Charman

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Abstract

Background: It is unclear whether cardiorespiratory fitness (CRF) is independently linked to cardiometabolic risk in children. This study investigated a) the association between CRF level and presence of cardiometabolic risk disorders using health-related cut points, and b) whether these associations were mediated by abdominal adiposity in children. Methods: This was a cross-sectional design study. Anthropometry, biochemical parameters and CRF were assessed in 147 schoolchildren (75 girls) aged 10 to 14 years. CRF was determined using a maximal cycle ergometer test. Children were classified as 'fit' or 'unfit' according to published thresholds. Logistic regression was used to investigate the odds of having individual and clustered cardiometabolic risk factors according to CRF level and whether abdominal adiposity mediated these associations. Results: Children classified as unfit had increased odds of presenting individual and clustered cardiometabolic risk factors (P<.05), but these associations no longer remained after adjusting for abdominal adiposity (P>.05). Conclusions: This study suggests that the association between CRF and cardiometabolic risk is mediated by abdominal adiposity in 10- to 14-year-old children and that abdominal adiposity may be a more important determinant of adverse cardiometabolic health in this age group.


Publication metadata

Author(s): Bailey DP, Savory LA, Denton SJ, Kerr CJ

Publication type: Article

Publication status: Published

Journal: Journal of Physical Activity & Health

Year: 2015

Volume: 12

Issue: 8

Pages: 1148-1152

Print publication date: 01/08/2015

Acceptance date: 01/01/1900

ISSN (print): 1543-3080

ISSN (electronic): 1543-5474

Publisher: Human Kinetics, Inc.

URL: http://dx.doi.org/10.1123/jpah.2014-0311

DOI: 10.1123/jpah.2014-0311


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