Dp. Culhane et al., PREVALENCE OF TREATED BEHAVIORAL-DISORDERS AMONG ADULT SHELTER USERS - A LONGITUDINAL-STUDY, American journal of orthopsychiatry, 68(1), 1998, pp. 63-72
Of 27,638 homeless adults admitted to Philadelphia public shelters in
the years 1990 through 1992, 20.1% received treatment for a mental hea
lth disorder, and 25.3% for a substance use disorder in the years 1985
through 1993. An additional 20.7% were identified as having untreated
substance use problems. Overall, a total of 65.5% of adult shelter us
ers were identified as ever having had a mental health or substance us
e problem, treated or untreated.