Factors associated with medication adherence among psychiatric outpatients at substance abuse risk.

Substance misuse is usually associated with poorer psychiatric medication adherence among psychiatric patients. Identifying predictors of medication adherence among patients with dual psychiatric and substance misuse problems is important because poor adherence is associated with relapse and re-hospitalization. The subjects were patients newly admitted to a psychiatric outpatient program who were prescribed psychiatric medication from different providers during the six months prior to admission; all also had substance misuse histories (N=131).