HIV Risk, Substance Use, and Personality Characteristics among Adults with History of Serious Mental Illness

ABSTRACTThe present study examined the relationship between characteristics associated with personality disorders, substance use, and HIV risk among adults with a history of serious mental illness. Participants included 103 adults with antisocial or borderline personality disorder, serious mental illness, and recent HIV risk behavior. The sample was predominately male (64%), diverse (42% African American and 13% Hispanic), and homeless/marginally housed (76%). In order to examine the relationship between personality characteristics and risk we constructed a risk index comprising key symptoms of antisocial and borderline personality disorders, namely; impulsivity, affective instability, and disregard for safety of self/others. Contrary to our primary hypotheses, risk index scores did not predict HIV risk behavior and substance abuse did not mediate this risk. Exploratory analyses did reveal that women engaged in significantly more risk behaviors than their male counterparts and that risk scores were a sign...