“…In addition, in comparison to their nonhomeless peers, a greater number of homeless youths use substances (Rohr, 1996;Smart et al, 1994;Yates, MacKenzie, Pennbridge, & Cohen, 1988). But the study samples highlighting such issues appear to be gathered exclusively from participants accessing the services of shelters and agencies serving homeless youths, in other words, from youth who are visibly and chronically homeless (Brakenhoff et al, 2015;Robert et al, 2005;Terrell, 1997). But the study samples highlighting such issues appear to be gathered exclusively from participants accessing the services of shelters and agencies serving homeless youths, in other words, from youth who are visibly and chronically homeless (Brakenhoff et al, 2015;Robert et al, 2005;Terrell, 1997).…”