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Please use this identifier to cite or link to this item: http://hdl.handle.net/10481/28993

Title: Independent and combined effects of physical activity and sedentary behavior on blood pressure in adolescents: gender differences in two cross-sectional studies
Authors: Ferreira de Moraes, A. C.
Barbosa Carvalho, H.
Rey-López, Juan P.
Gracia-Marco, L.
Beghin, Laurent
Kafatos, A.
Jiménez Pavón, David
Molnar, Dénes
Henauw, Stefaan de
Manios, Yannis
Widhalm, Kurt
Ruiz, Jonatan R.
Ortega Porcel, Francisco B.
Sjöström, Michael
Polito, Ángela
Pedrero-Chamizo, R.
Marcos, Ascensión
Gottrand, Frederic
Moreno, L. A.
Issue Date: 2013
Abstract: Objectives To examine the independent and combined association of physical activity (PA) and sedentary behavior (SB) on both systolic (SBP) and diastolic blood pressure (DBP) in adolescents from two observational studies. Methods Participants from two cross-sectional studies, one conducted in Europe (n = 3,308; HELENA study) and the other in Brazil (n = 991; BRACAH study), were selected by complex sampling. Systolic and diastolic blood pressure (outcomes), PA and SB, both independently and combined, and potential confounders were analyzed. Associations were examined by multilevel linear regression. Results Performing the recommended amount of PA (≥60 min/d) attenuated the effect of SB on DBP in BRACAH study girls and in boys from both studies. In contrast, PA did not attenuate the effects of SB on the SBP of girls in the HELENA study. The combination of less than recommended levels of PA with 2–4 h/d of sedentary behavior was found to be associated with increased SBP in boys from both studies. Conclusions Meeting current PA recommendations could mediate the association between SB and DBP in both sexes. In boys, the joint effect of low levels of PA and excessive sedentary activity increases SBP levels. Longitudinal studies are required to confirm these findings.
Sponsorship: The HELENA Study takes place with the financial support of the European Community Sixth RTD Framework Programme (contract FOOD-CT-2005-007034).
Publisher: Public Library of Science (PLOS)
Keywords: Adolescent
Behavior
Hypertension
Blood presure
Accelerometers
Cross-sectional study
Health
URI: http://hdl.handle.net/10481/28993
ISSN: 1932-6203
Rights : Creative Commons Attribution-NonCommercial-NoDerivs 3.0 License
Citation: Ferreira de Moraes, A.C.; et al. Independent and combined effects of physical activity and sedentary behavior on blood pressure in adolescents: gender differences in two cross-sectional studies. PLOS One, 8(5): e62006 (2013). [http://hdl.handle.net/10481/28993]
Appears in Collections:EFFE CTS-262 - Artículos

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