The Community Youth Development Study: A Test of Communities That Care

2014-07-23 21:09:48 | BioPortfolio


The Community Youth Development Study is an experimental test of the Communities That Care (CTC) prevention planning system. It is designed to find out if communities that use the CTC system can improve the public health by reducing rates of adolescent drug use, delinquency, violence, and risky sexual behavior when compared to communities that do not use this approach.


Preventing alcohol, tobacco, and other drug use; delinquency; violence; and health-risking sexual behavior among adolescents is a national priority. While advances in prevention science over the past two decades have produced a growing list of tested and effective programs and policies for preventing these behaviors, widespread dissemination and high-quality implementation of these effective programs and policies in communities has not been achieved. The development and testing of approaches for translating prevention research findings into effective community prevention service systems is important to achieve reductions in the prevalence of adolescent health and behavior problems.

The Community Youth Development Study (CYDS) is a randomized community-level test of the effects of Communities That Care (CTC) on prevention systems and adolescent behavior. The CTC system provides tools, training, and technical assistance that assist communities to use local epidemiologic data on risk and protective factors to identify and prioritize specific elevated risks and depressed protective factors and then to choose and implement tested, effective preventive interventions that have affected the prioritized risk and protective factors. The CTC system is hypothesized first to produce effects on key characteristics of community prevention service systems, which, in turn, produce subsequent effects on community levels of risk and protective factors in 2 to 5 years, and effects on youth problem behaviors in 3 to 10 years.

The current study assesses the effects of installation and implementation of CTC during the time period in which the CTC system is expected to produce its strongest effects on youth problem behaviors; that is, from 5 to 9 years following its initial installation. During this study, youths in the longitudinal panel followed from Grades 5 through 9 in the initial study will pass through high school, the developmental period of greatest risk for delinquent and violent behavior, and a period of greatly increasing substance use and problems related to substance use. The study will assess the long-term effects of CTC on community prevention service systems and on adolescent risk and problem behaviors for 4 years following the end of study-provided resources that supported the implementation of CTC in the 12 intervention communities during the initial efficacy trial.

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Prevention


Substance Abuse


Communities That Care


University of Washington
United States


Enrolling by invitation


University of Washington

Results (where available)

View Results


Published on BioPortfolio: 2014-07-23T21:09:48-0400

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