“…Although including youth aged 16 to 17 years would have more accurately reflected existing services for homeless youth, differences in legal status for tenancy and, in some jurisdictions, informed consent make "Housing First" more complicated to study and implement in youth <18 years. These findings may not be generalizable to young people 7 CIS, Community Integration Scale psychological integration subscale with possible scores ranging from 4 to 20 (higher scores indicate higher level of integration); CSI, Colorado Symptom Index, a measure of psychiatric symptomatology with possible scores ranging from 5 to 70 (higher scores indicate more severe mental health symptoms); ED, emergency department; EQ-5D, EuroQoL5 Dimensions Visual Analog Scale, a measure of generic quality of life scored from 0 (worst imaginable health state) to 100 (best imaginable health state); GAIN-SPS, Global Assessment of Individual Needs Short Screener-Substance Problem Scale, a measure of substance use problems over the previous month, with possible scores ranging from 0 to 5 (higher scores indicate more symptoms of substance misuse); MCAS, Multnomah Community Ability Scale, a measure of community functioning with possible scores range from 17 to 85 (higher scores indicate a higher level of community functioning); QOLI-20, a measure of condition-specifi c quality of life with total possible scores ranging from 20 to 140 and subscale scores ranging as follows: family (4-28), fi nances (2-14), leisure (5-35), living situation (1-7), safety (4-28), social (3)(4)(5)(6)(7)(8)(9)(10)(11)(12)(13)(14)(15)(16)(17)(18)(19)(20)(21), and overall quality of life (1-7), with higher scores indicating higher quality of life; RAS, Recovery Assessment Scale, a measure refl ecting various components of recovery with possible scores ranging from 22 to 110 (higher scores indicate higher degree of recovery); SF-12, Short Form 12 survey, a measure of physical and mental health status assessed by the physical component summary and mental health component summary, both of which range from 0 to 100 (higher scores indicate better health status). a Models included treatment group (reference: treatment as usual), time (month of visit; reference: baseline), study city (reference: Winnipeg), Aboriginal and ethnoracial status (reference: non-Aboriginal/non-ethnoracial), and treatment × time interaction.…”