- must be diagnosed at the screening interview according to Diagnostic & Statistical Manual of Mental Disorders, 4th edition (DSM-IV), with non-first episode schizophrenia or schizoaffective disorder (295.70); if schizophrenia, must be of the following types: schizophrenia of the paranoid type (295.30), schizophrenia of the disorganized type (295.10), schizophrenia of the catatonic type (295.20), schizophrenia of the undifferentiated type (295.90), schizophrenia of the residual type (295.60);