| Methods | Design: Cost analysis from the perspective of government (Medicaid) |
| Participants | Population: Adults with serious mental illness and chronic homelessness or dual diagnoses of mental illness and substance use |
| Interventions | Intervention: |
| Placed and unplaced individuals to the New York City supportive housing programme (housing placement not contingent on adhering to treatment or services) | |
| Comparator: | |
| NA | |
| Outcomes | Cost or cost‐effectiveness: The housing programme was associated with total Medicaid cost savings (−$9,526 [95% CI −$19,038 to –2,003]) |
| Notes |