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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.
|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|
|Appears in Collections:||Socio-economic status and child/adolescent health in Johannesburg-Soweto Study|
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