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Autor
Boddy, Lynne M 1 Cox, Ashley 1 Crotti, Matteo 1 Cruz, Borja Del Pozo 1 Dumuid, Dorothea 1 Fairclough, Stuart J 1 Foweather, Lawrence 1 Graves, Lee E F 1 Gába, Ales 1 Hurter, Liezel 1 Jones, Owen 1 McCann, Deborah A 1 Noonan, Robert J 1 Owen, Michael B 1 Rowlands, Alex V 1 Rudd, James R 1 Taylor, Sarah L 1 Tyler, Richard 1
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Pracoviště
Alliance for Research in Exercise Nut... 1 Centre for Adolescent Health Murdoch ... 1 Department of Applied Health and Soci... 1 Department of Psychology University o... 1 Department of Sports Science and Clin... 1 Department of Teacher Education and O... 1 Diabetes Research Centre Leicester Ge... 1 Faculty of Physical Culture Palacký U... 1 Movement Behaviours Nutrition Health ... 1 National Institute for Health Researc... 1 Research Institute of Sport and Exerc... 1
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Autor
Boddy, Lynne M 1 Cox, Ashley 1 Crotti, Matteo 1 Cruz, Borja Del Pozo 1 Dumuid, Dorothea 1 Fairclough, Stuart J 1 Foweather, Lawrence 1 Graves, Lee E F 1 Gába, Ales 1 Hurter, Liezel 1 Jones, Owen 1 McCann, Deborah A 1 Noonan, Robert J 1 Owen, Michael B 1 Rowlands, Alex V 1 Rudd, James R 1 Taylor, Sarah L 1 Tyler, Richard 1
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Pracoviště
Alliance for Research in Exercise Nut... 1 Centre for Adolescent Health Murdoch ... 1 Department of Applied Health and Soci... 1 Department of Psychology University o... 1 Department of Sports Science and Clin... 1 Department of Teacher Education and O... 1 Diabetes Research Centre Leicester Ge... 1 Faculty of Physical Culture Palacký U... 1 Movement Behaviours Nutrition Health ... 1 National Institute for Health Researc... 1 Research Institute of Sport and Exerc... 1
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- Jazyk
- Země
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- Fairclough, Stuart J
- Hurter, Liezel
- Dumuid, Dorothea
- Gába, Ales
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Rowlands, Alex V
Autor Rowlands, Alex V ORCID Diabetes Research Centre, Leicester General Hospital, University of Leicester, Gwendolen Road, Leicester LE5 4PW, UK National Institute for Health Research (NIHR) Leicester Biomedical Research Centre (BRC), University Hospitals of Leicester NHS Trust and the University of Leicester, Leicester LE5 4PW, UK
- Cruz, Borja Del Pozo
- Cox, Ashley
- Crotti, Matteo
- Foweather, Lawrence
- Graves, Lee E F
PubMed Central od 2005
Europe PubMed Central od 2005
ProQuest Central od 2009-01-01
Open Access Digital Library od 2004-01-01
Open Access Digital Library od 2005-01-01
Medline Complete (EBSCOhost) od 2008-12-01
Health & Medicine (ProQuest) od 2009-01-01
Public Health Database (ProQuest) od 2009-01-01
ROAD: Directory of Open Access Scholarly Resources od 2004
PubMed
35886629
DOI
10.3390/ijerph19148778
Knihovny.cz E-zdroje
We examined the compositional associations between the intensity spectrum derived from incremental acceleration intensity bands and the body mass index (BMI) z-score in youth, and investigated the estimated differences in BMI z-score following time reallocations between intensity bands. School-aged youth from 63 schools wore wrist accelerometers, and data of 1453 participants (57.5% girls) were analysed. Nine acceleration intensity bands (range: 0-50 mg to ≥700 mg) were used to generate time-use compositions. Multivariate regression assessed the associations between intensity band compositions and BMI z-scores. Compositional isotemporal substitution estimated the differences in BMI z-score following time reallocations between intensity bands. The ≥700 mg intensity bandwas strongly and inversely associated with BMI z-score (p < 0.001). The estimated differences in BMI z-score when 5 min were reallocated to and from the ≥700 mg band and reallocated equally among the remaining bands were -0.28 and 0.44, respectively (boys), and -0.39 and 1.06, respectively (girls). The time in the ≥700 mg intensity band was significantly associated with BMI z-score, irrespective of sex. When even modest durations of time in this band were reallocated, the asymmetrical estimated differences in BMI z-score were clinically meaningful. The findings highlight the utility of the full physical activity intensity spectrum over a priori-determined absolute intensity cut-point approaches.
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