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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Sleep time and cardiovascular risk factors in adolescents: The HELENA (Healthy Lifestyle in Europe by Nutrition in Adolescence) study

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Author(s):
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Rey-Lopez, J. P. [1, 2] ; de Carvalho, H. B. [1] ; de Moraes, A. C. F. [1, 2] ; Ruiz, J. R. [3, 4] ; Sjostrom, M. [3] ; Marcos, A. [5] ; Polito, A. [6] ; Gottrand, F. [7] ; Manios, Y. [8] ; Kafatos, A. [9] ; Molnar, D. [10] ; Widhalm, K. [11] ; De Henauw, S. [12] ; Moreno, L. A. [2] ; Study, HELENA
Total Authors: 15
Affiliation:
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[1] Univ Sao Paulo, Sch Med, Dept Prevent Med, BR-01246903 Sao Paulo - Brazil
[2] Univ Zaragoza, GENUD Res Grp, E-50009 Zaragoza - Spain
[3] Karolinska Inst, Novum, Dept Biosci & Nutr, Huddinge - Sweden
[4] Univ Granada, Fac Sport Sci, Dept Phys Educ & Sport, Granada - Spain
[5] CSIC, Inst Food Sci & Technol & Nutr ICTAN, Dept Metab & Nutr, Immunonutr Res Grp, Madrid - Spain
[6] INRAN, Natl Res Inst Food & Nutr, Rome - Italy
[7] Univ Lille 2, Fac Med, CHRU Lille Inserm U995, Pole Enfant, Hop J Flandre, Lille - France
[8] Harokopio Univ, Dept Nutr & Dietet, Athens - Greece
[9] Univ Crete, Sch Med, Dept Social Med, Prevent Med & Nutr Clin, Iraklion - Greece
[10] Univ Pecs, Dept Paediat, Pecs - Hungary
[11] Private Med Univ, Dept Pediat, Salzburg - Austria
[12] Univ Ghent, Fac Med & Hlth Sci, Dept Publ Hlth, B-9000 Ghent - Belgium
Total Affiliations: 12
Document type: Journal article
Source: Sleep Medicine; v. 15, n. 1, p. 104-110, JAN 2014.
Web of Science Citations: 23
Abstract

Objective: We aimed to examine the association between adolescents' sleep time and a cardiometabolic risk score. A second aim was to examine associations between sleep time and individual cardiometabolic risk factors. Methods: Adolescents (N = 699; ages, 12.5-17.5 years) participating in the HELENA (Healthy Lifestyle in Europe by Nutrition in Adolescence) study were examined. Sleep time was reported by a questionnaire. Physical activity (PA) was assessed by accelerometry (n = 497). Cardiometabolic risk factors measurements included insulin resistance, blood pressure, adiposity markers, cardiorespiratory fitness, and blood lipids. A cardiovascular disease risk score was computed. Associations were examined by a multilevel regression analysis (linear for individual risk factors and Poisson for the clustered risk score). Results: For school days no association was found between sleep time and cardiometabolic risk factors. At weekend days, the prevalence ratio (PR) of having a clustered risk score increased by 15% for each additional hour of sleep controlling for age, sex, and socioeconomic status (SES); however, the prevalence disappeared when adjusting for PA. Conclusions: In European adolescents sleep time is not associated with cardiometabolic risk factors when important confounders are considered. Future research about sleep cardiovascular risk factors should register other sleep dimensions (sleep patterns or disturbances) to provide a better insight in this scientific field. (C) 2013 Elsevier B. V. All rights reserved. (AU)

FAPESP's process: 11/11137-1 - High blood pressure and aggregation of risk factors in adolescents: a multicenter study
Grantee:Augusto César Ferreira de Moraes
Support type: Scholarships in Brazil - Doctorate
FAPESP's process: 11/20662-2 - High blood pressure and aggregation of risk factors in adolescents: a multicenter study
Grantee:Augusto César Ferreira de Moraes
Support type: Scholarships abroad - Research Internship - Doctorate
FAPESP's process: 12/05723-8 - Lifestyle during adolescence (physical activity, sedentary behavior, smoking and eating habits) and their influence on cardiovascular health: study European and Brazilian.
Grantee:Juan Pablo Rey López
Support type: Scholarships in Brazil - Post-Doctorate