Background: The ability of homeless youth to accumulate resources through their personal relationships with others (i.e. social capital) is often associated with improved outcomes across multiple domains. Despite growing evidence documenting the heterogeneity of homeless youths' relationships, many youth still experience adversities or lack access…

Substance use is highly prevalent among homeless, street-involved young people. Societal estrangement is often associated with substance use, particularly among this population. The current study sought to identify four domains of social estrangement (disaffiliation, human capital, identification with homeless culture, and psychological…