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Scaling children's waist circumference for differences in body size

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dc.creatorNevill, Alan Mspa
dc.creatorDuncan, Michael J.spa
dc.creatorLahart, Ian Mspa
dc.creatorDavies, Paulspa
dc.creatorRamírez-Vélez, Robinson
dc.creatorSandercock, Gavinspa
dc.date.accessioned2020-05-26T00:08:50Z
dc.date.available2020-05-26T00:08:50Z
dc.date.created2017spa
dc.description.abstractObjectives: Both waist circumference (WC) and body size (height) increase with age throughout childhood. Hence, there is a need to scale WC in children to detect differences in adiposity status (eg, between populations and different age groups), independent of body size/height. Methods: Using two culturally different samples, 1 English (10–15.9 years n = 9471) and 2 Colombian (14–15 years, n = 37,948), for WC to be independent of height (HT), a body shape index was obtained using the allometric power law WC = a.HTb. The model was linearized using log-transformation, and multiple regression/ANCOVA to estimate the height exponents for WC controlling for age, sex, and any other categorical/population differences. Results: In both samples, the power-law height exponent varied systematically with age. In younger children (age 10–11 years), the exponent was approximately unity, suggesting that pre-pubertal children might be geometrically similar. In older children, the height exponent declined monotonically to 0.5 (ie, HT0.5) in 15+ year-olds, similar to the exponent observed in adults. UK children's height-adjusted WC revealed a “u” shaped curve with age that appeared to reach a minimum at peak-height velocity, different for boys and girls. Comparing the WC of two populations (UK versus Colombian 14–15-year-old children) identified that the gap in WC between the countries narrowed considerably after scaling for height. Conclusions: Scaling children's WC for differences in height using allometric modeling reveals new insights into the growth and development of children's WC, findings that might well have been be overlooked if body size/height had been ignored. © 2017 Wiley Periodicals, Inc.eng
dc.format.mimetypeapplication/pdf
dc.identifier.doihttps://doi.org/10.1002/ajhb.23037
dc.identifier.issn10420533
dc.identifier.issn15206300
dc.identifier.urihttps://repository.urosario.edu.co/handle/10336/24118
dc.language.isoengspa
dc.publisherWiley-Liss Inc.spa
dc.relation.citationIssueNo. 6
dc.relation.citationTitleAmerican Journal of Human Biology
dc.relation.citationVolumeVol. 29
dc.relation.ispartofAmerican Journal of Human Biology, ISSN:10420533, 15206300, Vol.29, No.6 (2017)spa
dc.relation.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85023162342&doi=10.1002%2fajhb.23037&partnerID=40&md5=a0b38921fc5552278d013494f0205fb5spa
dc.rights.accesRightsinfo:eu-repo/semantics/openAccess
dc.rights.accesoAbierto (Texto Completo)spa
dc.source.instnameinstname:Universidad del Rosariospa
dc.source.reponamereponame:Repositorio Institucional EdocURspa
dc.subject.keywordAdolescentspa
dc.subject.keywordAnthropometryspa
dc.subject.keywordBody heightspa
dc.subject.keywordBody sizespa
dc.subject.keywordChildspa
dc.subject.keywordColombiaspa
dc.subject.keywordEnglandspa
dc.subject.keywordFemalespa
dc.subject.keywordHumanspa
dc.subject.keywordMalespa
dc.subject.keywordObesityspa
dc.subject.keywordProceduresspa
dc.subject.keywordWaist circumferencespa
dc.subject.keywordAdiposityspa
dc.subject.keywordAdolescentspa
dc.subject.keywordAnthropometryspa
dc.subject.keywordBody heightspa
dc.subject.keywordBody sizespa
dc.subject.keywordChildspa
dc.subject.keywordColombiaspa
dc.subject.keywordEnglandspa
dc.subject.keywordFemalespa
dc.subject.keywordHumansspa
dc.subject.keywordMalespa
dc.subject.keywordWaist circumferencespa
dc.titleScaling children's waist circumference for differences in body sizespa
dc.typearticleeng
dc.type.hasVersioninfo:eu-repo/semantics/publishedVersion
dc.type.spaArtículospa
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