Personality Disorder and Substance Use Disorder Outside Treatment Settings: The Prison Community
Background: Most studies on the comorbidity of personality disorder (PD) and substance use disorder (SUD) have been conducted in normal and unrestricted settings, with free and unrestricted patients. Despite their highly structured and controlled environment, illicit drugs are used in prisons. Despite the fact that few studies on the health of prison inmates have revealed high levels of mental disorder, no studies on the comorbidity of SUDs and PD in the prison community have been conducted. The goals of this study were to determine the prevalence of SUDs and PD in the prison population, as well as the degree of comorbidity between the two disorders in this population.
Methods: Prison inmates who met the inclusion criteria were interviewed using (IPDE) International Personality Disorder Examination and Sections 10 and 11of the Schedules for Clinical Assessment in Neuropsychiatry (SCAN) (SCAN). Both instruments are semi structured questionnaires modified to conform to DSM-111-R (Diagnostic and Statistical Manual) and ICD-10 (International Classification of Diseases) classifications. The diagnoses were coded using the ICD-10 system. The data was entered into the Statistical Package for Social Sciences (SPSS/PC+), and the variables were cross-tabulated using chisquare and the t- test. The study found that (77) 36 percent of the 213 inmates who agreed to participate had SUDs, and (111) 52 percent had PD with Borderline/Impulsive PD. Comorbidity is most common in Dissocial PD and Anankastic PD. Conclusion: Inmates with SUD and PD are housed in prison communities. A strong link has been established between the two disorders, with a comorbid prevalence rate of 70%. It is argued that there is an urgent need for close medical and psychiatric care.
Author (S) Details
Enyidah Nonyenim Solomon
Department of Medicine, Faculty of Clinical Sciences, College of Health Sciences, Rivers State University, Port Harcourt, Rivers State, Nigeria.
Nonye-Enyidah Esther Ijeoma
Department of Obstetrics and Gynaecology, Rivers State University Teaching Hospital, Port Harcourt, Rivers State, Nigeria.
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