Sleep patterns and television viewing in relation to obesity and blood pressure: Evidence from an adolescent Brazilian birth cohort

J. C K Wells; P. C. Hallal; F. F. Reichert; A. M B Menezes; C. L P Araújo; C. G. Victora

doi:10.1038/ijo.2008.37

Sleep patterns and television viewing in relation to obesity and blood pressure: Evidence from an adolescent Brazilian birth cohort

J. C K Wells, P. C. Hallal, F. F. Reichert, A. M B Menezes, C. L P Araújo, C. G. Victora

Research output: Contribution to journal › Article › peer-review

128 Scopus citations

Abstract

Background: Disruption of circadian rhythms has been associated with obesity in children and adolescents, and with hypertension in adults, in industrialized populations. Objective: We examined cross-sectional associations between sleep duration or television viewing and obesity and blood pressure in Brazilian adolescents. Design: The sample consisted of 4452 adolescents aged 10-12 years participating in a prospective birth cohort study in Pelotas, Brazil. Sleep duration and television viewing were determined through questionnaires. Obesity was assessed using international cut-offs for body mass index (BMI), and body fatness by skinfold thicknesses. Blood pressure was measured using a validated monitor. Results: Short sleep duration was associated with increased BMI, skinfolds, systolic blood pressure, activity levels and television viewing. Each hour of sleep reduced BMI by 0.16 kg/m² (s.e. 0.04), and was associated with odds ratio for obesity of 0.86 (s.e. 0.04), both P

Original language	English (US)
Pages (from-to)	1042-1049
Number of pages	8
Journal	International Journal of Obesity
Volume	32
Issue number	7
DOIs	https://doi.org/10.1038/ijo.2008.37
State	Published - Jul 2008
Externally published	Yes

Keywords

Adolescent
Blood pressure
Sleep
Television

ASJC Scopus subject areas

Medicine (miscellaneous)
Public Health, Environmental and Occupational Health
Endocrinology
Food Science
Endocrinology, Diabetes and Metabolism

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10.1038/ijo.2008.37

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title = "Sleep patterns and television viewing in relation to obesity and blood pressure: Evidence from an adolescent Brazilian birth cohort",

abstract = "Background: Disruption of circadian rhythms has been associated with obesity in children and adolescents, and with hypertension in adults, in industrialized populations. Objective: We examined cross-sectional associations between sleep duration or television viewing and obesity and blood pressure in Brazilian adolescents. Design: The sample consisted of 4452 adolescents aged 10-12 years participating in a prospective birth cohort study in Pelotas, Brazil. Sleep duration and television viewing were determined through questionnaires. Obesity was assessed using international cut-offs for body mass index (BMI), and body fatness by skinfold thicknesses. Blood pressure was measured using a validated monitor. Results: Short sleep duration was associated with increased BMI, skinfolds, systolic blood pressure, activity levels and television viewing. Each hour of sleep reduced BMI by 0.16 kg/m2 (s.e. 0.04), and was associated with odds ratio for obesity of 0.86 (s.e. 0.04), both P",

keywords = "Adolescent, Blood pressure, Sleep, Television",

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AU - Hallal, P. C.

AU - Reichert, F. F.

AU - Menezes, A. M B

AU - Araújo, C. L P

AU - Victora, C. G.

PY - 2008/7

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N2 - Background: Disruption of circadian rhythms has been associated with obesity in children and adolescents, and with hypertension in adults, in industrialized populations. Objective: We examined cross-sectional associations between sleep duration or television viewing and obesity and blood pressure in Brazilian adolescents. Design: The sample consisted of 4452 adolescents aged 10-12 years participating in a prospective birth cohort study in Pelotas, Brazil. Sleep duration and television viewing were determined through questionnaires. Obesity was assessed using international cut-offs for body mass index (BMI), and body fatness by skinfold thicknesses. Blood pressure was measured using a validated monitor. Results: Short sleep duration was associated with increased BMI, skinfolds, systolic blood pressure, activity levels and television viewing. Each hour of sleep reduced BMI by 0.16 kg/m2 (s.e. 0.04), and was associated with odds ratio for obesity of 0.86 (s.e. 0.04), both P

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KW - Adolescent

KW - Blood pressure

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Sleep patterns and television viewing in relation to obesity and blood pressure: Evidence from an adolescent Brazilian birth cohort

Abstract

Keywords

ASJC Scopus subject areas

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