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Title: How well do waist circumference and body mass index reflect body composition in pre-pubertal children?
Authors: Cameron, Noel
Jones, Laura L.
Griffiths, Paula L.
Norris, Shane A.
Pettifor, John M.
Keywords: BMI
Waist circumference
Fat mass
Lean mass
Pre-pubertal children
Issue Date: 2009
Publisher: © Nature Publishing Group
Citation: CAMERON, N. ... et al, 2009. How well do waist circumference and body mass index reflect body composition in pre-pubertal children? European Journal of Clinical Nutrition, 63 (9), pp.1065-1070.
Abstract: Objective: To investigate the quantitative relationship between WC and height and subsequently the association between Waist Circumference Index (WCI), BMI, and body composition in pre-pubertal children. Design: Cross-sectional sample (n = 227; boys = 127) of pre-pubertal Black children (age range 8.8 to 11.0 years) from the Bone Health sub-study of the Bt20 birth cohort study set in Soweto-Johannesburg, South Africa. Measures of height, weight, and waist circumference by anthropometry, total and truncal fat and lean mass by Dual-energy X-ray Absorptiometry (DXA) were used in the analysis. Pearson’s correlation coefficients were used to examine the associations between BMI, WC, and body composition outcomes. Results: WC was independent of height when height was raised to a power of approximately 0.8. BMI and WCI (WC/Ht) were significantly associated with total and truncal fat and lean mass in both sexes (all P < 0.001). BMI demonstrated consistently and significantly higher correlations with body composition than WCI and this association was significantly greater for fat mass than lean mass. Conclusion: BMI, rather than WCI, would be a better screening tool for total and truncal fat mass in both sexes prior to puberty.
Description: This article was published in the journal, European Journal of Clinical Nutrition [Nature Publishing Group] and the definitive version is available at: http://dx.doi.org/doi:10.1038/ejcn.2009.26
Version: Accepted for publication
DOI: 10.1038/ejcn.2009.26
URI: https://dspace.lboro.ac.uk/2134/6431
ISSN: 0954-3007
Appears in Collections:Socio-economic status and child/adolescent health in Johannesburg-Soweto Study

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