Journal
DRUG AND ALCOHOL DEPENDENCE
Volume 113, Issue 2-3, Pages 172-176Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.drugalcdep.2010.07.023
Keywords
Injection drug use; Supervised injection; Injection cessation; Addiction treatment; Aboriginal ancestry
Categories
Funding
- Health Canada
- Canadian Institutes of Health Research (CIHR)
- Vancouver Coastal Health
- Michael Smith Foundation for Health Research
- National Institute of Drug Abuse, US National Institutes of Health [DP1DA026182]
- Abbott
- Argos Therapeutics
- Bioject Inc
- Boehringer Ingelheim
- BMS
- Gilead Sciences
- GlaxoSmithKline
- Hoffmann-La Roche
- Janssen-Ortho
- Merck Frosst
- Pfizer
- Schering
- Serono Inc
- TheraTechnologies
- Tibotec
- Trimeris
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Background: Vancouver, Canada has a pilot supervised injecting facility (SIF), where individuals can inject pre-obtained drugs under the supervision of medical staff. There has been concern that the program may facilitate ongoing drug use and delay entry into addiction treatment. Methods: We used Cox regression to examine factors associated with the time to the cessation of injecting, for a minimum of 6 months, among a random sample of individuals recruited from within the Vancouver SIF. In further analyses, we evaluated the time to enrolment in addiction treatment. Results: Between December 2003 and June 2006, 1090 participants were recruited. In Cox regression, factors independently associated with drug use cessation included use of methadone maintenance therapy (Adjusted Hazard Ratio [AHR] = 1.57 [95% Confidence Interval [CI]: 1.02-2.40]) and other addiction treatment (AHR = 1.85 [95% CI: 1.06-3.24]). In subsequent analyses, factors independently associated with the initiation of addiction treatment included: regular SIF use at baseline (AHR = 1.33 [95% CI: 1.04-1.72]): having contact with the addiction counselor within the SIF (AHR = 1.54 [95% CI: 1.13-2.08]): and Aboriginal ancestry (AHR = 0.66 [95% CI: 0.47-0.92]). Conclusions: While the role of addiction treatment in promoting injection cessation has been well described, these data indicate a potential role of SIF in promoting increased uptake of addiction treatment and subsequent injection cessation. The finding that Aboriginal persons were less likely to enroll in addiction treatment is consistent with prior reports and demonstrates the need for novel and culturally appropriate drug treatment approaches for this population. (C) 2010 Elsevier Ireland Ltd. All rights reserved.
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