Seonaid Nolan1,2, Jane Buxton3,4, Sabina Dobrer1, Huiru Dong1, Kanna Hayashi1,2, M J Milloy1,2, Thomas Kerr1,2, Julio Montaner1,2, Evan Wood1,2. 1. 1 British Columbia Centre for Excellence in HIV/AIDS, St Paul's Hospital, Vancouver, British Columbia, Canada. 2. 2 Department of Medicine, University of British Columbia, St Paul's Hospital, Vancouver, British Columbia, Canada. 3. 3 BC Centre for Disease Control, Vancouver, British Columbia, Canada. 4. 4 School of Population and Public Health, University of British Columbia, Vancouver, British Columbia, Canada.
Abstract
OBJECTIVES: Although take-home naloxone (THN) programs are integral in strategies to prevent overdose deaths among opioid users, the uptake of THN among people who use drugs (PWUD) (including non-opioid users) is unknown. The objectives of this study were to determine awareness, possession, and use of THN among PWUD in Vancouver, Canada, and identify barriers to adopting this strategy. METHODS: From December 1, 2014, to May 29, 2015, participants in 2 prospective cohort studies of PWUD in Vancouver completed a standardized questionnaire, which asked about awareness, possession, and use of THN; sociodemographic characteristics; and drug use patterns. We conducted multivariable logistic regression analyses to determine factors independently associated with awareness and possession of THN. RESULTS: Of 1137 PWUD, 727 (64%) reported at least 1 previous overdose ever, and 220 (19%) had witnessed an overdose in the previous 6 months. Although 769 (68%) participants overall reported awareness of THN, only 88 of 392 (22%) opioid users had a THN kit, 18 (20%) of whom had previously administered naloxone. Factors that were positively associated with awareness of THN included witnessing an overdose in the previous 6 months (adjusted odds ratio [aOR] = 2.23; 95% confidence interval [CI], 1.49-3.34; P < .001), possession of THN (aOR = 1.85; 95% CI, 1.11-3.06; P = .02), younger age (aOR = 1.02; 95% CI, 1.01-1.04; P = .003), white race (aOR = 1.67; 95% CI, 1.27-2.19; P < .001), hepatitis C infection (aOR = 1.63; 95% CI, 1.13-2.36; P = .01), residing in Vancouver's Downtown Eastside neighborhood (aOR = 1.93; 95% CI, 1.47-2.53; P < .001), and at least daily heroin injection (aOR = 1.69; 95% CI, 1.09-2.62; P < .02). CONCLUSION: Efforts to improve knowledge of and participation in the THN program may contribute to reduced opioid overdose mortality in Vancouver.
OBJECTIVES: Although take-home naloxone (THN) programs are integral in strategies to prevent overdose deaths among opioid users, the uptake of THN among people who use drugs (PWUD) (including non-opioid users) is unknown. The objectives of this study were to determine awareness, possession, and use of THN among PWUD in Vancouver, Canada, and identify barriers to adopting this strategy. METHODS: From December 1, 2014, to May 29, 2015, participants in 2 prospective cohort studies of PWUD in Vancouver completed a standardized questionnaire, which asked about awareness, possession, and use of THN; sociodemographic characteristics; and drug use patterns. We conducted multivariable logistic regression analyses to determine factors independently associated with awareness and possession of THN. RESULTS: Of 1137 PWUD, 727 (64%) reported at least 1 previous overdose ever, and 220 (19%) had witnessed an overdose in the previous 6 months. Although 769 (68%) participants overall reported awareness of THN, only 88 of 392 (22%) opioid users had a THN kit, 18 (20%) of whom had previously administered naloxone. Factors that were positively associated with awareness of THN included witnessing an overdose in the previous 6 months (adjusted odds ratio [aOR] = 2.23; 95% confidence interval [CI], 1.49-3.34; P < .001), possession of THN (aOR = 1.85; 95% CI, 1.11-3.06; P = .02), younger age (aOR = 1.02; 95% CI, 1.01-1.04; P = .003), white race (aOR = 1.67; 95% CI, 1.27-2.19; P < .001), hepatitis C infection (aOR = 1.63; 95% CI, 1.13-2.36; P = .01), residing in Vancouver's Downtown Eastside neighborhood (aOR = 1.93; 95% CI, 1.47-2.53; P < .001), and at least daily heroin injection (aOR = 1.69; 95% CI, 1.09-2.62; P < .02). CONCLUSION: Efforts to improve knowledge of and participation in the THN program may contribute to reduced opioid overdose mortality in Vancouver.
Entities:
Keywords:
illicit drug use; naloxone; opioid overdose; opioids; take-home naloxone
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