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Sleep disturbance and cardiovascular risk in adolescents

Canadian Medical Association journal (CMAJ), 2012-11, Vol.184 (17), p.E913-E920 [Peer Reviewed Journal]

COPYRIGHT 2012 Joule Inc. ;COPYRIGHT 2012 CMA Joule Inc. ;Copyright Canadian Medical Association Nov 20, 2012 ;1995-2012, Canadian Medical Association 2012 ;ISSN: 0820-3946 ;EISSN: 1488-2329 ;DOI: 10.1503/cmaj.111589 ;PMID: 23027917 ;CODEN: CMAJAX

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  • Title:
    Sleep disturbance and cardiovascular risk in adolescents
  • Author: Narang, Indra ; Manlhiot, Cedric ; Davies-Shaw, Jolie ; Gibson, Don ; Chahal, Nita ; Stearne, Karen ; Fisher, Amanda ; Dobbin, Stafford ; McCrindle, Brian W
  • Subjects: Adolescent ; Body Mass Index ; Cardiovascular disease ; Cardiovascular diseases ; Cardiovascular Diseases - epidemiology ; Cardiovascular Diseases - genetics ; Cholesterol - blood ; Complications and side effects ; Female ; Humans ; Life Style ; Male ; Medical research ; Multivariate Analysis ; Physiological aspects ; Risk Factors ; Sleep ; Sleep disorders ; Sleep Wake Disorders - epidemiology ; Surveys ; Teenagers ; Youth
  • Is Part Of: Canadian Medical Association journal (CMAJ), 2012-11, Vol.184 (17), p.E913-E920
  • Description: Evidence suggests that inadequate or disturbed sleep is associated with increased cardiovascular risk in adults. There are limited data on sleep quality and associated cardiovascular risk in children. We obtained data on adolescents from the 2009/10 cycle of the Healthy Heart Schools' Program, a population-based cross-sectional study in the Niagara region of Ontario. Participants underwent measurements of cardiometabolic risk factors, including body mass index (BMI), lipid profile and blood pressure, and they completed questionnaires measuring sleeping habits and nutritional status. We assessed sleep disturbance using the sleep disturbance score derived from the Pittsburgh Sleep Quality Index. We explored associations between sleeping habits and cardiovascular risk factors. Among 4104 adolescents (51% male), the mean hours of sleep per night (± standard deviation) were 7.9 ± 1.1 on weeknights and 9.4 ± 1.6 on weekends. In total, 19% of participants reported their sleep quality as fairly bad or very bad on weeknights and 10% reported it as fairly bad or very bad on weekends. In the multivariable regression models, a higher sleep disturbance score was associated with increased odds of being at high cardiovascular risk (highest v. lowest tertile odds ratio [OR] 1.43 [95% confidence interval (CI) 1.16-1.77], p < 0.001), increased odds of hypertension (highest v. lowest tertile OR 1.44 [95% CI 1.02-2.05], p = 0.05) and increased odds of elevated non-high density lipoprotein cholesterol (highest v. lowest tertile OR 1.28 [95% CI 1.00-1.64], p = 0.05). The mean duration of sleep was not associated with these outcomes. In healthy adolescents, sleep disturbance is associated with cardiovascular risk factor abnormalities. Intervention strategies to optimize sleep hygiene early in life may be important for the prevention of cardiovascular disease.
  • Publisher: Canada: Joule Inc
  • Language: English
  • Identifier: ISSN: 0820-3946
    EISSN: 1488-2329
    DOI: 10.1503/cmaj.111589
    PMID: 23027917
    CODEN: CMAJAX
  • Source: ProQuest One Psychology
    Geneva Foundation Free Medical Journals at publisher websites
    MEDLINE
    PubMed Central
    Directory of Open Access Journals
    Alma/SFX Local Collection
    ProQuest Central
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