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The paediatric option for BodPod to assess body composition in preschool children: what fat-free mass density values should be used?
Karolinska Inst, Sweden; Eastern Ontario Res Inst, Canada.
Karolinska Inst, Sweden.
Linköping University, Department of Medical and Health Sciences, Division of Community Medicine. Linköping University, Faculty of Medicine and Health Sciences. Karolinska Inst, Sweden.ORCID iD: 0000-0003-2482-7048
Linköping University, Department of Medical and Health Sciences, Division of Community Medicine. Linköping University, Faculty of Medicine and Health Sciences. PROFITH, Univ Granada, Spain.
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2018 (English)In: British Journal of Nutrition, ISSN 0007-1145, E-ISSN 1475-2662, Vol. 120, no 7, p. 797-802Article in journal (Refereed) Published
Abstract [en]

Air displacement plethysmography utilises a two-component model to assess body composition, which relies on assumptions regarding the density of fat-free mass (FFM). To date, there is no evidence as to whether Lohmans or Wells et al.s FFM density values are more accurate in young children. Therefore, the aims of this study were to compare total body fat percentage (TBF%) assessed using the BodPod with both Lohmans and Wells et al.s FFM density values with TBF% from the three-component (3C) model in forty healthy Swedish children aged 5.5 years. Average TBF% calculated using Lohmans FFM density values underestimated TBF% in comparison with the corresponding value assessed using the 3C model (22.2 (SD 5.7) and 25.1 (SD 5.5)%, respectively; P amp;lt;0.001). No statistically significant difference was observed between TBF% assessed using Wells et al.s FFM density values and the 3C model (24.9 (so 5.5) and 251 (so 5.5)%, respectively; P= 0.614). The Bland and Altman plots for TBF% using both Lohmans and Wells et al.s FFM density values did not show any bias across the range of body fatness (Lohman: r0.056, P= 0.733 and Wells el al.: r-0.006, P= 0.970). These results indicate that Wells Cl al.s FFM density values should be used when assessing body composition with the paediatric option for BodPod in 5-year-old children. However, future studies are needed to confirm these results in other populations, including a wider age range of children.

Place, publisher, year, edition, pages
CAMBRIDGE UNIV PRESS , 2018. Vol. 120, no 7, p. 797-802
Keywords [en]
BodPod; Body composition; Density values; Preschool children
National Category
Pediatrics
Identifiers
URN: urn:nbn:se:liu:diva-151932DOI: 10.1017/S0007114518002064ISI: 000445335800008PubMedID: 30132437OAI: oai:DiVA.org:liu-151932DiVA, id: diva2:1256387
Note

Funding Agencies|Swedish Research Council for Health, Working Life and Welfare [2012-0906]; Bo and Vera Axsons Johnsons Foundation; Karolinska Institutet; Henning and Johan Throne-Holst Foundation; Strategic Research Area Health Care Science, Karolinska Institutet/Umea University; Swedish Society of Medicine; County Council of Ostergotland, Sweden; Swedish Research Council [2012-2883]

Available from: 2018-10-16 Created: 2018-10-16 Last updated: 2019-06-28

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