Sleep time and cardiovascular risk factors in adolescents: The HELENA (Healthy Lifestyle in Europe by Nutrition in Adolescence) study
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. © 2013 Elsevier B.V.
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Format: | artículo biblioteca |
Language: | English |
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Elsevier
2014
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Subjects: | Multilevel analysis, Cardiorespiratory fitness, Accelerometry, Physical activity, Cardiometabolic risk, Sleep duration, |
Online Access: | http://hdl.handle.net/10261/91851 |
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dig-ictan-es-10261-918512016-12-22T09:55:25Z Sleep time and cardiovascular risk factors in adolescents: The HELENA (Healthy Lifestyle in Europe by Nutrition in Adolescence) study Rey López, J. P. Marcos, Ascensión Moreno, Luis A. Multilevel analysis Cardiorespiratory fitness Accelerometry Physical activity Cardiometabolic risk Sleep duration 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. © 2013 Elsevier B.V. This work was supported by the European Community Sixth RTD Framework Programme (Contract FOOD-CT-2005-007034), the Spanish Ministry of Health, Maternal, Child Health and Development Network (grant number RD080072) (GVR), the Spanish Ministry of Education (grant numbers EX20101008, DEP200729933E, AP200602464) (SBS), and the Spanish Ministry of Science and Innovation (grant number RYC201005957). JPRL and ACM received grants from the São Paulo State Research Foundation – FAPESP (JPRL: 2012/05723-8; ACM: 2011/11137-1 and 2011/20662-2) Peer Reviewed 2014-02-17T11:36:53Z 2014-02-17T11:36:53Z 2014 2014-02-17T11:36:53Z artículo http://purl.org/coar/resource_type/c_6501 doi: 10.1016/j.sleep.2013.07.021 issn: 1389-9457 Sleep Medicine 15: 104- 110 (2014) http://hdl.handle.net/10261/91851 10.1016/j.sleep.2013.07.021 en none Elsevier |
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Multilevel analysis Cardiorespiratory fitness Accelerometry Physical activity Cardiometabolic risk Sleep duration Multilevel analysis Cardiorespiratory fitness Accelerometry Physical activity Cardiometabolic risk Sleep duration |
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Multilevel analysis Cardiorespiratory fitness Accelerometry Physical activity Cardiometabolic risk Sleep duration Multilevel analysis Cardiorespiratory fitness Accelerometry Physical activity Cardiometabolic risk Sleep duration Rey López, J. P. Marcos, Ascensión Moreno, Luis A. Sleep time and cardiovascular risk factors in adolescents: The HELENA (Healthy Lifestyle in Europe by Nutrition in Adolescence) study |
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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. © 2013 Elsevier B.V. |
format |
artículo |
topic_facet |
Multilevel analysis Cardiorespiratory fitness Accelerometry Physical activity Cardiometabolic risk Sleep duration |
author |
Rey López, J. P. Marcos, Ascensión Moreno, Luis A. |
author_facet |
Rey López, J. P. Marcos, Ascensión Moreno, Luis A. |
author_sort |
Rey López, J. P. |
title |
Sleep time and cardiovascular risk factors in adolescents: The HELENA (Healthy Lifestyle in Europe by Nutrition in Adolescence) study |
title_short |
Sleep time and cardiovascular risk factors in adolescents: The HELENA (Healthy Lifestyle in Europe by Nutrition in Adolescence) study |
title_full |
Sleep time and cardiovascular risk factors in adolescents: The HELENA (Healthy Lifestyle in Europe by Nutrition in Adolescence) study |
title_fullStr |
Sleep time and cardiovascular risk factors in adolescents: The HELENA (Healthy Lifestyle in Europe by Nutrition in Adolescence) study |
title_full_unstemmed |
Sleep time and cardiovascular risk factors in adolescents: The HELENA (Healthy Lifestyle in Europe by Nutrition in Adolescence) study |
title_sort |
sleep time and cardiovascular risk factors in adolescents: the helena (healthy lifestyle in europe by nutrition in adolescence) study |
publisher |
Elsevier |
publishDate |
2014 |
url |
http://hdl.handle.net/10261/91851 |
work_keys_str_mv |
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