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Socio-demographic differences in Colombian children's muscular fitness: Does scaling for differences in body size present a challenge to conventional thinking?

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dc.creatorNevill, Alan M.spa
dc.creatorSandercock, Gavinspa
dc.creatorDuncan, Michael J.spa
dc.creatorLahart, Ianspa
dc.creatorCorrea Bautista, Jorge Enrique
dc.creatorRamírez-Vélez, Robinson
dc.date.accessioned2020-05-26T00:08:57Z
dc.date.available2020-05-26T00:08:57Z
dc.date.created2018spa
dc.description.abstractObjectives: In low- to middle-income countries, children from less-deprived areas (from families of higher socio-economic status [SES]) have superior muscular fitness than those from low-SES groups. They are also taller and heavier, factors associated with muscular fitness. The purpose of this study was to identify any socio-demographic differences in Colombian children's muscular fitness and examine how these conclusions can be modified by scaling for differences in body size. Methods: A total of 38,098 youths (46% girls), ninth grade students (aged 14–15 years), participated in a study of cross-sectional design. We recorded SES and family incomes, stature, and mass. Standing broad jump and handgrip strength were used to assess muscular fitness. A multiplicative allometric model was adopted to adjust for body-size differences. Results: Children from the mid- to high-SES groups jumped significantly higher than children from the lowest SES group, although no SES group difference in grip strength was observed. After adjusting for body size, children from higher SES and with higher family incomes had significantly lower handgrip strength, and their superior jump height performances remained but were greatly reduced. Only children from the highest SES now jumped significantly higher that the lowest SES group. Conclusions: The superior jump performance and no difference in handgrip strength of Colombian children from higher SES may simply reflect their superior physiques. When body size is accounted for, these differences are reduced or even reversed, suggesting that children from higher SES groups should not be complacent regarding their apparent superior muscular fitness. © 2018 Wiley Periodicals, Inc.eng
dc.format.mimetypeapplication/pdf
dc.identifier.doihttps://doi.org/10.1002/ajhb.23128
dc.identifier.issn10420533
dc.identifier.issn15206300
dc.identifier.urihttps://repository.urosario.edu.co/handle/10336/24129
dc.language.isoengspa
dc.publisherWiley-Liss Inc.spa
dc.relation.citationIssueNo. 4
dc.relation.citationTitleAmerican Journal of Human Biology
dc.relation.citationVolumeVol. 30
dc.relation.ispartofAmerican Journal of Human Biology, ISSN:10420533, 15206300, Vol.30, No.4 (2018)spa
dc.relation.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85044935323&doi=10.1002%2fajhb.23128&partnerID=40&md5=4fa223dce598cd40bee13a7fafb984e7spa
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.keywordBody sizespa
dc.subject.keywordColombiaspa
dc.subject.keywordCross-sectional studyspa
dc.subject.keywordExercisespa
dc.subject.keywordFemalespa
dc.subject.keywordFitnessspa
dc.subject.keywordHand strengthspa
dc.subject.keywordHumanspa
dc.subject.keywordMalespa
dc.subject.keywordSocial classspa
dc.subject.keywordAdolescentspa
dc.subject.keywordBody sizespa
dc.subject.keywordColombiaspa
dc.subject.keywordCross-sectional studiesspa
dc.subject.keywordExercisespa
dc.subject.keywordFemalespa
dc.subject.keywordHand strengthspa
dc.subject.keywordHumansspa
dc.subject.keywordMalespa
dc.subject.keywordPhysical fitnessspa
dc.subject.keywordSocial classspa
dc.titleSocio-demographic differences in Colombian children's muscular fitness: Does scaling for differences in body size present a challenge to conventional thinking?spa
dc.typearticleeng
dc.type.hasVersioninfo:eu-repo/semantics/publishedVersion
dc.type.spaArtículospa
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