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Título: Sleep time and cardiovascular risk factors in adolescents: The HELENA (Healthy Lifestyle in Europe by Nutrition in Adolescence) study
Autor: REY-LOPEZ, J. P.CARVALHO, H. B. deMORAES, A. C. F. deRUIZ, J. R.SJOSTROM, M.MARCOS, A.POLITO, A.GOTTRAND, F.MANIOS, Y.KAFATOS, A.MOLNAR, D.WIDHALM, K.HENAUW, S. DeMORENO, L. A.
Citación: SLEEP MEDICINE, v.15, n.1, p.104-110, 2014
Resumen: 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.
Aparece en las colecciones:

Artigos e Materiais de Revistas Científicas - FM/MPR
Departamento de Medicina Preventiva - FM/MPR

Artigos e Materiais de Revistas Científicas - LIM/39
LIM/39 - Laboratório de Processamento de Dados Biomédicos

Artigos e Materiais de Revistas Científicas - ODS/03
ODS/03 - Saúde e bem-estar


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