Sleep disturbance and cardiovascular risk in adolescents

Indra Narang, Cedric Manlhiot, Jolie Davies-Shaw, Don Gibson, Nita Chahal, Karen Stearne, Amanda Fisher, Stafford Dobbin, Brian W. McCrindle

Research output: Contribution to journalArticle

Abstract

Background: 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. Methods: 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. Results: 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. Interpretation: 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.

Original languageEnglish (US)
JournalCMAJ
Volume184
Issue number17
DOIs
StatePublished - Nov 20 2012
Externally publishedYes

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Sleep
Odds Ratio
Confidence Intervals
Habits
Population Control
Ontario
Nutritional Status
HDL Cholesterol
Body Mass Index
Cardiovascular Diseases
Cross-Sectional Studies
Blood Pressure
Hypertension
Lipids

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Narang, I., Manlhiot, C., Davies-Shaw, J., Gibson, D., Chahal, N., Stearne, K., ... McCrindle, B. W. (2012). Sleep disturbance and cardiovascular risk in adolescents. CMAJ, 184(17). https://doi.org/10.1503/cmaj.111589

Sleep disturbance and cardiovascular risk in adolescents. / Narang, Indra; Manlhiot, Cedric; Davies-Shaw, Jolie; Gibson, Don; Chahal, Nita; Stearne, Karen; Fisher, Amanda; Dobbin, Stafford; McCrindle, Brian W.

In: CMAJ, Vol. 184, No. 17, 20.11.2012.

Research output: Contribution to journalArticle

Narang, I, Manlhiot, C, Davies-Shaw, J, Gibson, D, Chahal, N, Stearne, K, Fisher, A, Dobbin, S & McCrindle, BW 2012, 'Sleep disturbance and cardiovascular risk in adolescents', CMAJ, vol. 184, no. 17. https://doi.org/10.1503/cmaj.111589
Narang I, Manlhiot C, Davies-Shaw J, Gibson D, Chahal N, Stearne K et al. Sleep disturbance and cardiovascular risk in adolescents. CMAJ. 2012 Nov 20;184(17). https://doi.org/10.1503/cmaj.111589
Narang, Indra ; Manlhiot, Cedric ; Davies-Shaw, Jolie ; Gibson, Don ; Chahal, Nita ; Stearne, Karen ; Fisher, Amanda ; Dobbin, Stafford ; McCrindle, Brian W. / Sleep disturbance and cardiovascular risk in adolescents. In: CMAJ. 2012 ; Vol. 184, No. 17.
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