Methods	Design: Randomized control trial
	Setting: Denver, Colorado, United States
	Follow up: 10 months
Participants	Population: Homeless individuals 18 years or older with alcohol or other substance abuse problems
	Sample size: Total sample n = 323, Intervention n = 163, control n = 160
Interventions	Intervention:
	Intensive Case Management (ICM) with access to services available at Arapahoe House (detoxification facility). ICM included proactive outreach, client identification and assessment, development of an individually‐tailored and comprehensive service plan for each client, establishment of linkages between service systems and clients such that services were matched to client needs, continuity of service utilization monitoring, and assertive advocacy with community agencies on behalf of clients. Case managers worked in pairs (dyads) with a caseload averaging 15 clients per dyad (and never exceeding 17 clients per dyad) and with a consequent high intensity of client contact.
	Comparator:
	Access to the full range of services offered by Arapahoe House. Services include a comprehensive array of substance abuse treatment and rehabilitation services, including detoxification, residential and outpatient services, substance abuse counseling, literacy and vocational assessment, and job training and placement.
Outcomes	Housing stability, Mental health, Quality of life, Substance use, Employment
Notes