Process Evaluation of a Community Outpatient Program Treating Substance Use Disorders.

Addiction treatment can improve its impact by providing evidence-based care for the variety of problems that accompany substance use disorders. We conducted a retrospective evaluation of a new treatment program in California that aimed at providing multifaceted services through affiliated licensed and certified outpatient providers. The process evaluation used a logic model, focusing on program inputs, activities, and outputs, to understand the services received by the initial 18 clients who entered treatment. Outcomes for these patients were not assessed. Results indicated that clients received a variety of services: On average clients contracted for 118 treatment sessions and received 143 sessions. Among the many types of services provided, the most frequently received were integrative healthcare (averaging 42 sessions), group therapy (32 sessions), and individual therapy (32 sessions). This logic-model process evaluation indicated that a range of services were provided. The comprehensive approach may have promise for extending addiction treatment beyond its usual boundaries.