Susan J Frank, Jessica Rosenblum, Todd Miller, Marjorie W Stein
Harnessing Technology: Using an iPad to Enhance Radiology Medical Student Education
Medical science educator
determine effectiveness targeted grant funding implementation multilevel community interventions increase moderate vigorous physical activity mvpa decrease time spent sedentary among large sample youth north carolina repeated crosssectional grouprandomized controlled trial design delayed treatment group twenty counties north carolina analyses conducted 2138 youth grades 4 8 provided complete data across 3 waves north carolina eat smart move community grants program consisted 20 separate community interventions implemented grantees targeted increasing physical activity andor decreasing sedentary time youth county grantees pairmatched randomized receive funding implementation year 1 20102011 year 2 20112012 mvpasedentary time assessed via accelerometer demographics assessed via selfreport 3 waves data collection fall 2010 2011 2012 mvpa sedentary time measured via accelerometry adjusting covariates difference mvpa counties implementing year 1 20102011 implementing year 2 20112012 ie waitlist controls comparing data collection wave 1 wave 2 fall 20102011 significant increase 232 minutes per day mvpa observed following implementation year across counties compared baseline year differences largely driven increased mvpa elementary school youth fourth fifth grades significant changes sedentary time observed lowcost highreach minigrants small meaningful effect childrens mvpa greater effects seen younger children future studies examine characteristics minigrants projects associated greatest increases mvpa among youth