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OBJECTIVE The study examined behavioral and cognitive factors that may place mentally ill persons at increased risk of infection by the human immunodeficiency virus (HIV). METHODS Sixty-one patients consecutively admitted to a psychiatric inpatient unit of a public general hospital completed questionnaires focused on their knowledge about AIDS and their(More)
OBJECTIVE This study examined factors motivating inpatient aggression in a sample of chronically assaultive state hospital patients. METHODS Inpatients who had committed three or more assaults over a one-year period were identified by using an incident report database. Aggressive episodes were categorized as impulsive, organized, or psychotic by using a(More)
Self-efficacy constructs recently have been incorporated into a model of social functioning for schizophrenics. This model proposes that self-efficacy mediates patients' coping efforts. To assess this hypothesis accurately, it is critical to have a scale that measures self-efficacy reliably and validly. Such a scale was developed in this research, which(More)
Although the construct of psychopathy is frequently construed as a unitary syndrome, the Psychopathic Personality Inventory (PPI; Lilienfeld & Andrews, 1996) and its revision, the PPI-R (Lilienfeld & Widows, 2005), are composed of 2 scales, termed Fearless Dominance (FD) and Self-Centered Impulsivity (SCI), which appear to reflect orthogonal dimensions. In(More)
The ability of psychiatric patients and prisoners to provide informed consent to participate in clinical research has given rise to much debate. Forensic psychiatric patients present a particular concern regarding their competence to consent to research, as they are both patients and prisoners. The primary goal of this research was to evaluate whether, by(More)
Whereas etiological heterogeneity of the various types of schizophrenia has been repeatedly proposed, relatively few attempts have been made to separate the component diseases. Using a strategy focusing on bimodal distributions within several relevant domains of schizophrenia, we demonstrate that currently available data on schizophrenia patients are(More)
OBJECTIVES Previous research has indicated that comorbid substance abuse in patients with bipolar disorder (BPD) is strongly linked to criminal arrest. This study was conducted to further evaluate possible gender differences in substance use and risk of criminality in BPD. METHODS Subjects were selected from all inmates with a DSM-IV diagnosis of BPD type(More)
Incentives to malinger vary greatly dependent on the context, as does the prevalence. Malingering in the medico-legal context of the criminal courts is generally for one of two purposes: to present as incompetent to stand trial or to successfully plead not guilty by reason of insanity. Estimates of the prevalence of malingering in these contexts vary(More)
OBJECTIVE This study examined the relationship between criminal arrest and gender, substance use disorder, and use of community mental health services among patients with bipolar I disorder. METHODS Los Angeles County's computerized management information system was used to retrospectively identify all inmates with a DSM-IV diagnosis of bipolar I disorder(More)