Screen Time And Metabolic Risk Factors Among Adolescents
- Amer Medical Assoc
- Publication Type:
- Journal Article
- Archives Of Pediatrics & Adolescent Medicine, 2010, 164 (7), pp. 643 - 649
- Issue Date:
|dc.identifier.citation||Archives Of Pediatrics & Adolescent Medicine, 2010, 164 (7), pp. 643 - 649||en_US|
|dc.description.abstract||Objective: To examine the association between screen time (ST) (ie, television/DVD/video and computer use) guidelines and risk factors for cardiovascular disease, type 2 diabetes mellitus, and fatty liver diseases in mid-adolescence. Design: Cross-sectional. Setting: High schools in Sydney, Australia. Participants: Grade 10 students (N=496; 58% boys; mean [SD] age, 15.4 [0.4] years). Main Exposures: Body mass index, waist circumference, cardiorespiratory endurance, dietary factors, socioeconomic status, and pubertal status. Main Outcome Measures: Screen time was categorized as less than 2 hours per day or 2 or more hours per day and calculated for weekday, weekend, and the entire week. Fasting blood samples were analyzed for levels of high-density lipoprotein and low-density lipoprotein cholesterol, triglycerides, insulin, and glucose; homeostasis model assessment of insulin resistance (HOMA-1R); levels of alanine aminotransferase, gamma-glutamyltransferase, and high-sensitivity C-reactive protein; and blood pressure. Abnormal results were categorized according to published guidelines. Results: Mean ST for all students was 3.1 hours per day and for weekdays and weekend days, 2.6 hours per day and 4.4 hours per day, respectively. Boys were more likely to exceed ST guidelines than girls (odds ratio [OR] 2.71; 95% confidence interval [CI], 1.67-4.38). There were no significant associations between ST guidelines and metabolic risk factors among girls. After adjusting for potential confounders, boys who exceeded ST guidelines on weekdays were more likely to have elevated HOMA-1R (adjusted OR, 2.42; 95% CI, 1.11-5.28) and insulin levels (adjusted OR, 2.73; 95% CI, 1.43-5.23).||en_US|
|dc.publisher||Amer Medical Assoc||en_US|
|dc.relation.ispartof||Archives Of Pediatrics & Adolescent Medicine||en_US|
|dc.subject.mesh||Body Mass Index||en_US|
|dc.subject.mesh||Body Mass Index||en_US|
|dc.title||Screen Time And Metabolic Risk Factors Among Adolescents||en_US|
|utslib.for||1114 Paediatrics and Reproductive Medicine||en_US|
|utslib.for||1114 Paediatrics And Reproductive Medicine||en_US|
|pubs.organisational-group||/University of Technology Sydney|
|pubs.organisational-group||/University of Technology Sydney/Faculty of Health|
|pubs.organisational-group||/University of Technology Sydney/Strength - CHSP - Health Services and Practice|
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