Study characteristics	Inclusion criteria
Population	We will consider peer‐reviewed studies of people with lived experience of homelessness.
Interventions	Interventions for
	Permanent supportive housing (Housing First),
	Care coordination/case management (nonintensive case management and peer support),
	Mental health (assertive community treatment, intensive case management, critical time interventions, and injectable antipsychotics),
	Addictions (supervised consumption facilities, managed alcohol programs, and pharmacological interventions for opioid use disorders),
	Income support (direct and indirect).
Comparison	No intervention, standard intervention, alternative intervention, treatment as usual.
Outcomes	1. Housing stability
	2. Mental health
	3. Quality of life
	4. Hospitalization
	5. Substance use
	6. Income
	7. Employment
	8. Economic outcome
Study characteristics	Primary studies as defined by EPOC criteria (Effective Practice and Organisation of Care (EPOC)‐Cochrane, 2015):
	Randomized controlled trials,
	Nonrandomized controlled trials,
	Controlled before–after studies,
	Interrupted time series and repeated measures studies,
	All study designs must include intervention with a comparison/control group and have measured outcomes.

Study characteristics	Exclusion criteria
	Studies taking place in low‐middle‐income countries (World Bank, 2019),
	Studies that exclusively report on Indigenous‐specific interventions.