Screen-Based Behaviors of Children and Cardiovascular Risk Factors.

  • Robinson S
  • Daly R
  • Ridgers N
 et al. 
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Objective: To determine whether the amount of time spent in screen-based behaviors (SBBs; television viewing, computer use, and playing electronic games) is independently associated with individual and clustered cardiovascular disease (CVD) risk factors among elementary school children., Study design: Baseline data were used from 264 children (age 7-10 years) participating in the Transform-Us!! cluster-randomized controlled trial. Time (h/d) spent in SBBs was obtained using a parent proxy-report questionnaire. Anthropometrics, blood pressure (BP), and lipids were measured using standard techniques. A clustered CVD risk score was calculated as the average of the standardized values of the subcomponents (waist circumference [WC], systolic BP, diastolic BP, and lipids)., Results: After adjusting for sex, parent education, physical activity (accelerometry), diet, and WC (when adiposity was not the outcome), television viewing time was positively associated with body mass index z-score (P = .002), WC (P = .02), and systolic BP (P = .05). Electronic games was positively associated with low density lipoprotein levels (P = .05), and total screen-time was positively associated with body mass index (P = .02)., Conclusions: Differential associations were observed between types of SBBs and CVD risk factors, indicating that not all SBBs are adversely associated with obesity and CVD risk. There is a need to differentiate between types of SBBs when evaluating the CVD risk associated with screen behaviors in children., Trial registration: International Standard Randomized Controlled Trial: ISRCTN83725066; Australian New Zealand Clinical Trials Registry: ACTRN12609000715279., (C) 2015Elsevier, Inc.

Author-supplied keywords

  • BMI
  • BP
  • Blood pressure
  • Body mass index
  • CVD
  • Cardiovascular disease
  • DBP
  • Diastolic blood pressure
  • EYHS
  • Electronic games
  • European Youth Heart Study
  • HDL-C
  • High density lipoprotein cholesterol
  • LDL-C
  • Low density lipoprotein cholesterol
  • MVPA
  • Moderate-to-vigorous physical activity
  • National Health and Nutrition Examination Survey
  • SBB
  • SBP
  • SES
  • Screen-based behavior
  • Socioeconomic status
  • Systolic blood pressure
  • TC
  • TG
  • TV
  • Television
  • Total cholesterol
  • Triglycerides
  • WC
  • Waist circumference
  • e-games

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  • Sarah Robinson

  • Robin Daly

  • Nicola Ridgers

  • Jo Salmon

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