Validity of predictive equations developed to estimate body fat from anthropometry and bioelectrical impedance analysis in 8-10 year-old children

Nasreddine, Lara, Naja, Farah, Hills, Andrew P., Yousser, Sara Kassem, Chahine, Joelle and Hwalla, Nahla (2012) Validity of predictive equations developed to estimate body fat from anthropometry and bioelectrical impedance analysis in 8-10 year-old children. Clinical Nutrition, 31 3: 364-371. doi:10.1016/j.clnu.2011.11.008


Author Nasreddine, Lara
Naja, Farah
Hills, Andrew P.
Yousser, Sara Kassem
Chahine, Joelle
Hwalla, Nahla
Title Validity of predictive equations developed to estimate body fat from anthropometry and bioelectrical impedance analysis in 8-10 year-old children
Journal name Clinical Nutrition   Check publisher's open access policy
ISSN 0261-5614
1532-1983
Publication date 2012-06
Year available 2011
Sub-type Article (original research)
DOI 10.1016/j.clnu.2011.11.008
Open Access Status Not yet assessed
Volume 31
Issue 3
Start page 364
End page 371
Total pages 8
Place of publication Amsterdam, Netherlands
Publisher Elsevier BV
Language eng
Formatted abstract
Background & aim: To date, no studies have examined the validity of skinfold-based (SF) equations and Bioelectrical Impedance Analysis (BIA) in predicting body fat in children of Middle-Eastern origin. The objective of this study was to examine the predictive validity of previously published SF-based equations and BIA in estimating body fat in 8-10 year-old Lebanese children, and to develop new prediction equations for use in this population group.

Methods: 158 subjects participated in the study. Percent body fat (% BF) estimates derived from SF-based equations and BIA were compared against the deuterium dilution technique (DDL). Multivariate linear regression analyses were conducted for the development of new prediction equations to estimate %BF using anthropometric variables.

Results: Bland-Altman analysis showed that SF-based equations and BIA significantly underestimated %BF as compared to DDL. Mean differences in %BF ranged between 1.3 and 6.5% in boys and 4.5-9.5% in girls. New anthropometry-based equations were proposed for the prediction of %BF in Lebanese pre-pubertal children.

Conclusion: Previously published prediction equations underestimated %BF in Lebanese pre-pubertal children. The validity of the new prediction equations developed in this study to estimate %BF in Lebanese children needs to be investigated in future studies.
Keyword Bioelectrical impedance
Body fat
Children
Deuterium dilution technique
Prediction equations
Skinfold thickness
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Human Movement and Nutrition Sciences Publications
 
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