Cited by 54Body Composition Measurement TechniquesObesity, Physical Activity, DietElectrical and Bioimpedance Tomography

Prediction of fat‐free body mass from bioelectrical impedance among 9‐ to 11‐year‐old Swedish children

Nielsen, B. M, Dencker, M, Ward, L, Linden, C, Thorsson, O, Karlsson, M. K, Heitmann, B. L·2007·Diabetes, Obesity and Metabolism

Abstract

Aim: Predictive equations for estimating body composition from bioelectrical impedance analysis (BIA) among Scandinavian children are lacking. In the present study, equations for estimation of fat‐free body mass (FFM) and lean tissue mass (LTM) were developed and cross‐validated from BIA using dual‐energy X‐ray absorptiometry (DXA) as the reference measurement of body composition. Methods: The study population consisted of 49 girls and 52 boys aged 9–11 years from Malmö, Sweden. Bioelectrical impedance was measured between hand and foot at 50 kHz. Predictive equations were developed by multiple linear regression and cross‐validated against DXA measurements of body composition. Results: FFM was predicted from BIA and anthropometric variables with an adjusted R 2 = 0.95 and root mean square error (RMSE) = 0.84 kg, and LTM was predicted with an adjusted R 2 = 0.95 and RMSE = 0.87 kg. Cross‐validation revealed a mean RMSE = 0.95 kg FFM and a mean RMSE = 0.96 kg LTM. Prediction of body composition from equations developed in previous literature was mixed when applied to the present cohort of children. Conclusions: FFM and LTM are predicted with sufficient accuracy at the population level. We recommend that the predictive equations developed in the present study are used in prepubescent European children aged 9–11 years only in order to minimize confounding of results because of possible differences in population samples.

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Crossref · 10.1111/j.1463-1326.2006.00634.x

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Authors
Nielsen, B. M., Dencker, M., Ward, L., Linden, C., Thorsson, O., Karlsson, M. K., & Heitmann, B. L.
Affiliations
  • Copenhagen University Hospital (DK)
  • Lund University (SE)
  • The University of Queensland (AU)
Corresponding author
Nielsen, B. M
Venue
Diabetes, Obesity and Metabolism
Publisher
Wiley
Published
2006-08-18
Volume
9
Issue
4
Pages
521-539
ISSN
  • 1462-8902 (ISSN-L)
  • 1463-1326
OpenAlex
W194852025
Cited by
54
References
70
Citations by year
2025: 1 · 2024: 3 · 2022: 2 · 2021: 1 · 2019: 6 · 2018: 5 · 2017: 4 · 2016: 4 · 2015: 4 · 2014: 3 · 2013: 6 · 2012: 2
FWCI
1.11
Type
journal article
Language
en
Open access
closed
Locations
  • Diabetes Obesity and Metabolism (publishedVersion)
  • PubMed (publishedVersion)
  • Lund University Publications (Lund University) (submittedVersion)
Topics
  • Health Sciences › Medicine › Physiology › Body Composition Measurement Techniques
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Obesity, Physical Activity, Diet
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Electrical and Bioimpedance Tomography
Keywords
fat-free mass, lean body mass, bioelectrical impedance analysis, body composition, prediction equations, children, prepubertal children, anthropometric variables, dual-energy X-ray absorptiometry, cross-validation
MeSH terms
Adipose Tissue, Adolescent, Body Composition, Body Weight, Bone and Bones, Child, Female, Humans, Male, Regression Analysis, Sex Characteristics, Sweden, Absorptiometry, Photon, Electric Impedance

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