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Reducing Recreational Sedentary Screen Time: A Community Guide Systematic Review.

Leigh Ramsey Buchanan¹, Cherie R Rooks-Peck¹, Ramona K C Finnie¹

¹Community Guide Branch, Division of Public Health Information Dissemination, Center for Surveillance, Epidemiology, and Laboratory Services, CDC, Atlanta, Georgia.

American Journal of Preventive Medicine

|February 22, 2016

Summary

Behavioral interventions effectively reduce children's recreational screen time and obesity. These strategies also improved physical activity and diet, though more research is needed for adolescents and adults.

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Area of Science:

Public Health
Behavioral Science
Pediatrics

Background:

Sedentary screen time is linked to childhood and adult obesity, increasing risks for heart disease and diabetes.
Behavioral interventions are explored for their effectiveness in reducing recreational sedentary screen time.

Purpose of the Study:

To systematically review the effectiveness and economic efficiency of behavioral interventions targeting recreational sedentary screen time.
To assess impacts on screen time, physical activity, diet, and weight-related outcomes.

Main Methods:

A systematic review combining evidence from 1966 through June 2013.
Included 49 studies evaluating interventions focused solely on screen time reduction or combined with physical activity/diet improvements.
Analyses conducted between 2013-2014 using established Community Guide methods.

Main Results:

Interventions reduced children's composite screen time by 26.4 minutes/day and obesity prevalence by 2.3 percentage points.
Improvements in physical activity and diet were observed in children.
Adult studies showed a significant decrease in composite screen time (130.2 minutes/day).

Conclusions:

Behavioral interventions are effective in reducing screen time, increasing physical activity, and improving diet and weight-related outcomes in children.
Further research is recommended for adolescents and adults to confirm these benefits.