Robert G. Orwin

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The course of homelessness was examined among adults entering treatment in the Chicago Target Cities sample, which was aimed at improving the service delivery system in large metropolitan areas across the U.S. The objectives of the present study were: (1) Examine transitions in and out of homelessness over 3 years post entry into treatment; and (2)(More)
Research has stressed the value of providing specialized services to women and suggests the importance of treatment duration. This quasi-experimental retrospective study reports on the continuity of care for women with children who were admitted to long-term residential substance abuse treatment. Women were admitted to 7 agencies offering specialized,(More)
In a national evaluation, we assessed the implementation and outcomes of a multisite demonstration program for homeless persons with alcohol and other drug problems. We developed comprehensive case studies from data on client characteristics, utilization of services, implementation of interventions, and community systems of care at nine project sites.(More)
Retaining clients in treatment who are homeless presents a particular challenge for substance abuse treatment providers. A National Institute on Alcohol Abuse and Alcoholism Cooperative Agreement Program offered the first opportunity to systematically study program retention in a multisite study of interventions for homeless persons with alcohol and other(More)
The Strategic Prevention Framework State Incentive Grant (SPF SIG) program is a national public health initiative sponsored by the U.S. Substance Abuse and Mental Health Services Administration’s Center for Substance Abuse Prevention to prevent substance abuse and its consequences. State grantees used a data-driven planning model to allocate resources to(More)
The aim of this study was threefold: (1) to prospectively estimate population incidence rates of marijuana use from late childhood to adolescence, (2) to identify important risk factors, and (3) to examine and demonstrate the dynamic nature of risk factors of marijuana initiation, that is, the degree to which influences change as youth age. The longitudinal(More)
Although the organizational structures and operating procedures of state substance abuse prevention systems vary substantially across states, there is scant empirical research regarding approaches for rigorous assessment of system attributes and which attributes are most conducive to overall effectiveness. As one component of the national cross-site(More)
Recent national substance abuse prevention efforts that have been disseminated at the state level have provided fertile ground for addressing the dearth of systematic research on state-level substance abuse prevention infrastructure. The Strategic Prevention Framework State Incentive Grant Program (SPF SIG), a national public health initiative sponsored by(More)