Purpose: This study examined the associations between participant and site characteristics and retention in a multisite cardiovascular disease risk reduction project. Design and Methods: Data were derived from the Special Diabetes Program for Indians Healthy Heart Demonstration Project, an intervention to reduce cardiovascular risk among American…

In February 2007, First 5 LA contracted with Mathematica Policy Research, Inc. (MPR) and its subcontractors, Juarez and Associates, American Institutes for Research (AIR), and Berkeley Evaluation and Assessment Research (BEAR) Center, to conduct the First 5 LA/LAUP Universal Preschool Child Outcomes Study (UPCOS). The authors conducted the study…