Susanne James-Burdumy

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OBJECTIVE To evaluate the impact of Playworks on students' physical activity during recess. METHOD Twenty-seven elementary schools from six U.S. cities were grouped into blocks and randomly assigned to implement Playworks (treatment) or not (control) during an entire school year (either 2010-2011 or 2011-2012). Study data were collected at the end of the(More)
ii Recess periods often lack the structure needed to support physical activity and positive social development (Robert Wood Johnson Foundation 2010). The Playworks program places full-time coaches in low-income schools to provide opportunities for organized play during recess and throughout the school day. Playworks activities are designed to engage(More)
BACKGROUND The Playworks program places coaches in low-income urban schools to engage students in physical activity during recess. The purpose of this study was to estimate the impact of Playworks on students' physical activity separately for Hispanic, non-Hispanic black, and non-Hispanic white students. METHODS Twenty-seven schools from 6 cities were(More)
PURPOSE This article presents findings from the largest experimental evaluation to date of school-based mandatory-random student drug testing (MRSDT). The study tested the effectiveness of MRSDT in reducing substance use among high school students. METHODS Cluster randomized trial included 36 high schools and more than 4,700 9th through 12th grade(More)
PURPOSE This study aimed to estimate distributions of usual physical activity during recess in schools in low-income areas using measurement error models and to compare model-adjusted distributions to unadjusted distributions based on a single day of measurement. METHODS A randomized study of the Playworks program was conducted in 29 schools from six U.S.(More)
To find out more on the integral relationship between our health and how we live, learn, work and play, visit www.rwjf.org. Executive Summary Recess periods often lack the structure needed to support physical activity and positive social development (Robert Wood Johnson Foundation 2010). The Playworks program places full-time coaches in low-income schools(More)
BACKGROUND School-based programs, such as Playworks, that guide students in organized activities during recess and make improvements to the recess play yard may lead to significant increases in physical activity-especially for girls. This study builds on past research by investigating the impact of Playworks separately for girls and boys. METHODS(More)
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