Table 1. Summary of substance abuse intensive outpatient programs.

Feature	Description
Service definition	Substance abuse intensive outpatient programs (IOPs) are direct services for people with substance use disorders or co-occurring mental and substance use disorders who do not require medical detoxification or 24-hour supervision. The programs supply treatment for symptoms and/or disabilities associated with the disorder. Core services generally include a specified number of hours of structured programming per week; individual, group, and/or family therapy; and psychoeducation about substance use and mental disorders.
Service goals	Learn early-stage relapse management Develop coping strategies Establish or re-establish psychosocial supports Address problems related to social, psychological, and emotional well-being
Populations	Adults with substance use disorders (both alcohol and drug diagnoses)
Settings for service delivery	Hospital-based inpatient and day treatment in Veterans Affairs and community hospitals Social model residential programs Community-based public and private substance abuse treatment centers