Reconsidering the sedentary behaviour paradigm.

<h4>Aims</h4>Recent literature has posed sedentary behaviour as an independent entity to physical inactivity. This study investigated whether associations between sedentary behaviour and cardio-metabolic biomarkers remain when analyses are adjusted for total physical activity.<h4>M...

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Autores principales:	Carol Maher, Tim Olds, Emily Mire, Peter T Katzmarzyk
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2014
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/0028cdf60ba845b08341b4960ac43388
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spelling	oai:doaj.org-article:0028cdf60ba845b08341b4960ac433882021-11-18T08:37:34ZReconsidering the sedentary behaviour paradigm.1932-620310.1371/journal.pone.0086403https://doaj.org/article/0028cdf60ba845b08341b4960ac433882014-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/24454968/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203<h4>Aims</h4>Recent literature has posed sedentary behaviour as an independent entity to physical inactivity. This study investigated whether associations between sedentary behaviour and cardio-metabolic biomarkers remain when analyses are adjusted for total physical activity.<h4>Methods</h4>Cross-sectional analyses were undertaken on 4,618 adults from the 2003/04 and 2005/06 U.S. National Health and Nutrition Examination Survey. Minutes of sedentary behaviour and moderate-to-vigorous physical activity (MVPA), and total physical activity (total daily accelerometer counts minus counts accrued during sedentary minutes) were determined from accelerometry. Associations between sedentary behaviour and cardio-metabolic biomarkers were examined using linear regression.<h4>Results</h4>Results showed that sedentary behaviour was detrimentally associated with 8/11 cardio-metabolic biomarkers when adjusted for MVPA. However, when adjusted for total physical activity, the associations effectively disappeared, except for C-reactive protein, which showed a very small, favourable association (β = -0.06) and triglycerides, which showed a very small, detrimental association (β = 0.04). Standardised betas suggested that total physical activity was consistently, favourably associated with cardio-metabolic biomarkers (9/11 biomarkers, standardized β = 0.08-0.30) while sedentary behaviour was detrimentally associated with just 1 biomarker (standardized β = 0.12).<h4>Conclusion</h4>There is virtually no association between sedentary behaviour and cardio-metabolic biomarkers once analyses are adjusted for total physical activity. This suggests that sedentary behaviour may not have health effects independent of physical activity.Carol MaherTim OldsEmily MirePeter T KatzmarzykPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 9, Iss 1, p e86403 (2014)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Carol Maher Tim Olds Emily Mire Peter T Katzmarzyk Reconsidering the sedentary behaviour paradigm.
description	<h4>Aims</h4>Recent literature has posed sedentary behaviour as an independent entity to physical inactivity. This study investigated whether associations between sedentary behaviour and cardio-metabolic biomarkers remain when analyses are adjusted for total physical activity.<h4>Methods</h4>Cross-sectional analyses were undertaken on 4,618 adults from the 2003/04 and 2005/06 U.S. National Health and Nutrition Examination Survey. Minutes of sedentary behaviour and moderate-to-vigorous physical activity (MVPA), and total physical activity (total daily accelerometer counts minus counts accrued during sedentary minutes) were determined from accelerometry. Associations between sedentary behaviour and cardio-metabolic biomarkers were examined using linear regression.<h4>Results</h4>Results showed that sedentary behaviour was detrimentally associated with 8/11 cardio-metabolic biomarkers when adjusted for MVPA. However, when adjusted for total physical activity, the associations effectively disappeared, except for C-reactive protein, which showed a very small, favourable association (β = -0.06) and triglycerides, which showed a very small, detrimental association (β = 0.04). Standardised betas suggested that total physical activity was consistently, favourably associated with cardio-metabolic biomarkers (9/11 biomarkers, standardized β = 0.08-0.30) while sedentary behaviour was detrimentally associated with just 1 biomarker (standardized β = 0.12).<h4>Conclusion</h4>There is virtually no association between sedentary behaviour and cardio-metabolic biomarkers once analyses are adjusted for total physical activity. This suggests that sedentary behaviour may not have health effects independent of physical activity.
format	article
author	Carol Maher Tim Olds Emily Mire Peter T Katzmarzyk
author_facet	Carol Maher Tim Olds Emily Mire Peter T Katzmarzyk
author_sort	Carol Maher
title	Reconsidering the sedentary behaviour paradigm.
title_short	Reconsidering the sedentary behaviour paradigm.
title_full	Reconsidering the sedentary behaviour paradigm.
title_fullStr	Reconsidering the sedentary behaviour paradigm.
title_full_unstemmed	Reconsidering the sedentary behaviour paradigm.
title_sort	reconsidering the sedentary behaviour paradigm.
publisher	Public Library of Science (PLoS)
publishDate	2014
url	https://doaj.org/article/0028cdf60ba845b08341b4960ac43388
work_keys_str_mv	AT carolmaher reconsideringthesedentarybehaviourparadigm AT timolds reconsideringthesedentarybehaviourparadigm AT emilymire reconsideringthesedentarybehaviourparadigm AT petertkatzmarzyk reconsideringthesedentarybehaviourparadigm
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Reconsidering the sedentary behaviour paradigm.

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