Independent and Combined Effects of Physical Activity and Sedentary Behavior on Blood Pressure in Adolescents: Gender Differences in Two Cross-Sectional Studies

de Moraes, A.C.F. ; Carvalho, H.B. ; Rey-López, J.P. ; Gracia-Marco, L. ; Beghin, L. ; Kafatos, A. ; Jiménez-Pavón, D. (Universidad de Zaragoza) ; Molnar, D. ; De Henauw, S. ; Manios, Y. ; Widhalm, K. ; Ruiz, J.R. ; Ortega, F.B. ; Sjöström, M. ; Polito, A. ; Pedrero-Chamizo, R. ; Marcos, A. ; Gottrand, F. ; Moreno, L.A. (Universidad de Zaragoza)

Resumen: 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.

Idioma: Inglés

DOI: 10.1371/journal.pone.0062006

Año: 2013

Publicado en: PLoS ONE 8, 5 (2013), e62006 [10 pp]
ISSN: 1932-6203

Factor impacto JCR: 3.534 (2013)

Categ. JCR: MULTIDISCIPLINARY SCIENCES rank: 8 / 56 = 0.143 (2013) - Q1 - T1

Financiación: info:eu-repo/grantAgreement/EUR/FP6/FOOD-CT-2005-007034
Financiación: info:eu-repo/grantAgreement/ES/MEC/EX2008-0641
Financiación: info:eu-repo/grantAgreement/ES/Spanish Ministry of Health/RD08-0072

Tipo y forma: Article (Published version)

Área (Departamento): Área Enfermería (Dpto. Fisiatría y Enfermería)