Associations of Accelerometer Measured School- and Non-school Based Physical Activity and Sedentary Time With Body Mass Index: IPEN Adolescent Study

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aut.relation.issue1en_NZ
aut.relation.journalInt J Behav Nutr Phys Acten_NZ
aut.relation.startpage85
aut.relation.volume19en_NZ
aut.researcherRush, Elaine
dc.contributor.authorVan Dyck, Den_NZ
dc.contributor.authorBarnett, Aen_NZ
dc.contributor.authorCerin, Een_NZ
dc.contributor.authorConway, TLen_NZ
dc.contributor.authorEsteban-Cornejo, Ien_NZ
dc.contributor.authorHinckson, Een_NZ
dc.contributor.authorRubín, Len_NZ
dc.contributor.authorRush, Een_NZ
dc.contributor.authorBaron-Epel, Oen_NZ
dc.contributor.authorCain, KLen_NZ
dc.contributor.authorChristiansen, LBen_NZ
dc.contributor.authorIslam, MZen_NZ
dc.contributor.authorMitáš, Jen_NZ
dc.contributor.authorMolina-García, Jen_NZ
dc.contributor.authorOyeyemi, Aen_NZ
dc.contributor.authorRanjani, Hen_NZ
dc.contributor.authorReis, Ren_NZ
dc.contributor.authorSantos, MPen_NZ
dc.contributor.authorSit, Cen_NZ
dc.contributor.authorTimperio, Aen_NZ
dc.contributor.authorMuda, WAMWen_NZ
dc.contributor.authorSallis, JFen_NZ
dc.date.accessioned2022-08-16T02:38:17Z
dc.date.available2022-08-16T02:38:17Z
dc.date.copyright2022-07-14en_NZ
dc.date.issued2022-07-14en_NZ
dc.description.abstractBACKGROUND: This study examined the strength, shape and direction of associations of accelerometer-assessed overall, school- and non-school-based moderate-to-vigorous physical activity (MVPA) and sedentary time (ST) with BMI among adolescents across the world. Second, we examined whether these associations differed by study site and sex. METHODS: Cross-sectional data from the IPEN Adolescent study, an observational multi-country study, were used. Participants wore an accelerometer for seven days, reported height and weight, and completed a socio-demographic survey. In total, 4852 adolescents (46.6% boys), aged 11-19 years (mean age = 14.6, SD = 1.7 years) were included in the analyses, using generalized additive mixed models. RESULTS: Adolescents accumulated on average 41.3 (SD = 22.6) min/day of MVPA and 531.8 (SD = 81.1) min/day of ST, and the prevalence of overweight and obesity was 17.2% (IOTF), but these mean values differed by country. Linear negative associations of accelerometer-based MVPA and ST with standardized BMI scores and the likelihood of being overweight/obese were found. School-based ST and non-school-based MVPA were more strongly negatively associated to the outcomes than non-school based ST and school-based MVPA. Study site moderated the associations; adolescent sex did not. No curvilinear associations were found. CONCLUSIONS: This multi-country study confirmed the importance of MVPA as a potential protective factor against overweight/obesity in adolescents. Non-school-based MVPA seemed to be the main driver of these associations. Unexpected results were found for ST, calling for further examination in methodologically sound international studies but using inclinometers or pressure sensors to provide more precise ST measures.en_NZ
dc.identifier.citationInternational Journal of Behavioral Nutrition and Physical Activity, 19, 85 (2022). https://doi.org/10.1186/s12966-022-01324-x
dc.identifier.doi10.1186/s12966-022-01324-xen_NZ
dc.identifier.issn1479-5868en_NZ
dc.identifier.urihttps://hdl.handle.net/10292/15380
dc.languageengen_NZ
dc.publisherSpringer
dc.relation.urihttps://ijbnpa.biomedcentral.com/articles/10.1186/s12966-022-01324-x
dc.rights© The Author(s) 2022. Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (http://creativeco mmons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data.
dc.rights.accessrightsOpenAccessen_NZ
dc.subjectAdolescentsen_NZ
dc.subjectBody weighten_NZ
dc.subjectExerciseen_NZ
dc.subjectPhysical activityen_NZ
dc.subjectPublic healthen_NZ
dc.subjectAccelerometryen_NZ
dc.subjectAdolescenten_NZ
dc.subjectBody Mass Indexen_NZ
dc.subjectCross-Sectional Studiesen_NZ
dc.subjectExerciseen_NZ
dc.subjectFemaleen_NZ
dc.subjectHumansen_NZ
dc.subjectMaleen_NZ
dc.subjectObesityen_NZ
dc.subjectOverweighten_NZ
dc.subjectSedentary Behavioren_NZ
dc.titleAssociations of Accelerometer Measured School- and Non-school Based Physical Activity and Sedentary Time With Body Mass Index: IPEN Adolescent Studyen_NZ
dc.typeJournal Article
pubs.elements-id460435
pubs.organisational-data/AUT
pubs.organisational-data/AUT/Faculty of Health & Environmental Science
pubs.organisational-data/AUT/Faculty of Health & Environmental Science/School of Sport & Recreation
pubs.organisational-data/AUT/Faculty of Health & Environmental Science/School of Sport & Recreation/Physical Activity, Nutrition & the Outdoors Department
pubs.organisational-data/AUT/PBRF
pubs.organisational-data/AUT/PBRF/PBRF Health and Environmental Sciences
pubs.organisational-data/AUT/PBRF/PBRF Health and Environmental Sciences/HS Sports & Recreation 2018 PBRF
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