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Schoolbag weight carriage in Portuguese children and adolescents: a cross-sectional study comparing possible influencing factors

2019Journal article Open access
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dc.contributor.authorBarbosa, João
dc.contributor.authorMarques, Mário C.
dc.contributor.authorIzquierdo, Mikel
dc.contributor.authorNeiva, Henrique
dc.contributor.authorBarbosa, Tiago M.
dc.contributor.authorRamírez-Vélez, Robinson
dc.contributor.authorAlonso-Martínez, Alicia M.
dc.contributor.authorGarcia-Hermoso, Antonio
dc.contributor.authorAguado-Jimenez, R
dc.contributor.authorMarinho, Daniel
dc.date.accessioned2020-02-11T14:48:02Z
dc.date.available2020-02-11T14:48:02Z
dc.date.issued2019
dc.description.abstractBackground: Schoolbags and the consequences of carrying them, particularly those associated with overload, are often studied as a health concern. Modifications in gait and posture were reported when children carried loads that corresponded to more than 10% of their body weight (BW). The aims of this study were to verify the load that is carried by Portuguese students and how it is influenced by factors such as school grade, school schedule, lunch site, physical education, sex and body mass index (BMI). Acquiring a more specific knowledge of the Portuguese context and understanding the influence of these factors may allow us to generate proposals to control them in ways that benefit students. Methods: The load carried by students in the 5th grade (10.6 ± 0.4 years) and 9th grade (14.7 ± 0.6 years) were weighed with a luggage scale on all days of the week, resulting in 680 evaluations. Data related to the school day were also collected, such as the student’s lunch site, how he or she got to school and his or her school schedule for that day. Individual height and weight were also assessed. Results: The 5th grade students carried greater loads than the 9th grade students, resulting in a substantial difference relative to their BW. The school loads of the 5th grade students were mostly greater than 10% of their BWs. Girls tended to carry heavier loads than boys, and overweight students also tended to carry heavier loads. Students who could eat lunch at home carried less weight, and on physical education days, the total load carried increased, but the backpacks of the 5th grade students were lighter. Conclusions: The results of the current study describe excessive schoolbag weight among Portuguese students and expound on some of the factors that influence it, which can help researchers and professionals design a solution to decrease children’s schoolbag loads.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1186/s12887-019-1519-2pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.6/9207
dc.language.isoengpt_PT
dc.relationResearch Center in Sports Sciences, Health Sciences and Human Development
dc.subjectBackpackpt_PT
dc.subjectChildrenpt_PT
dc.subjectLoad carriagept_PT
dc.subjectPhysical educationpt_PT
dc.subjectSchoolpt_PT
dc.titleSchoolbag weight carriage in Portuguese children and adolescents: a cross-sectional study comparing possible influencing factorspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleResearch Center in Sports Sciences, Health Sciences and Human Development
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UID%2FDTP%2F04045%2F2019/PT
oaire.citation.issue1pt_PT
oaire.citation.startPage157pt_PT
oaire.citation.titleBMC Pediatricspt_PT
oaire.citation.volume19pt_PT
oaire.fundingStream6817 - DCRRNI ID
person.familyNameMARQUES
person.familyNameIzquierdo
person.familyNameNeiva
person.familyNameBarbosa
person.familyNameRamírez-Vélez
person.familyNameAlonso-Martínez
person.familyNameGarcia-Hermoso
person.familyNameaguado-jimenez
person.familyNameMarinho
person.givenNameMÁRIO
person.givenNameMikel
person.givenNameHenrique
person.givenNameTiago M.
person.givenNameRobinson
person.givenNameAlicia M.
person.givenNameAntonio
person.givenNameroberto
person.givenNameDaniel
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person.identifier.orcid0000-0001-9283-312X
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person.identifier.orcid0000-0002-7204-696X
person.identifier.orcid0000-0002-1397-7182
person.identifier.orcid0000-0002-9029-0886
person.identifier.orcid0000-0003-2351-3047
person.identifier.ridA-4894-2010
person.identifier.ridM-5893-2013
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person.identifier.scopus-author-id24773599000
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person.identifier.scopus-author-id6506331627
person.identifier.scopus-author-id15022568500
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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