期刊
ADDICTION
卷 101, 期 12, 页码 1760-1770出版社
WILEY
DOI: 10.1111/j.1360-0443.2006.01614.x
关键词
Canada; crack use; marginalized populations; prevention; public health; social determinants
Aims To examine possible differences between crack users and crack non-users across Canada. Design Cohort study of illicit opioid and other drug users in five cities across Canada. Setting Vancouver, Edmonton, Toronto, Montreal and Quebec City, Canada. Participants Regular illicit opioid and other street drug users not in treatment at time of assessment. Measurements Participants (n = 677) were assessed at baseline (2002) by way of an interviewer-administered questionnaire, a psychiatric diagnostic instrument (Composite International Diagnostic Interview), and salivary antibody tests for infectious disease. Findings Approximately half the sample had used crack in the past 30 days, although prevalence rates differed strongly between study sites. When examined by discriminant analysis, crack users in the study population were more likely to have: no permanent housing, have illegal and sex work income, indicate physical health problems and hepatitis C virus (HCV) antibodies, use walk-in clinics, use heroin and to have been arrested and in detention (in past year). They were less likely to report depressive symptoms, and use Dilaudid (hydromorphone) and alcohol. Conclusion These results illustrate crack users' pronounced social marginalization (as expressed by homelessness and high involvement in illegal activities) as well as extensive health problems compared to non-crack users in the Canadian context. The development of targeted interventions-addressing the dynamics of social marginalization-of this population is urgently needed.
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