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Ann Epidemiol. 2012 Mar;22(3):198-206. doi: 10.1016/j.annepidem.2011.12.004. Epub 2012 Jan 23.

Temporal and geographic shifts in urban and nonurban cocaine-related fatal overdoses in British Columbia, Canada.

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1
British Columbia Centre for Excellence in HIV/AIDS, St. Paul's Hospital, Vancouver, BC, Canada.

Abstract

PURPOSE:

Illicit drug overdose is a leading cause of premature mortality. We sought to examine fatal overdose trends from 2001 to 2005 in urban and nonurban areas of British Columbia, Canada.

METHODS:

We conducted a review of all provincial coroner files in which drug overdose was the cause of death between January 1, 2001, and December 31, 2005. We compared cocaine and non-cocaine-related overdoses and examined temporal changes in cocaine-related mortality rates in urban and nonurban areas. Multilevel mixed effects models were used to determine the independent risk factors for cocaine-related death. Spatial analyses were conducted to identify clusters of these cases.

RESULTS:

During the study period, 904 illicit drug overdoses were recorded, including 369 (40.8%) in nonurban areas and 532 (58.9%) related to cocaine consumption. In a multilevel model, we observed a significant interaction (p = .010) between population density and year, indicating a considerable and differential increase in the likelihood of cocaine-related deaths in nonurban areas. Cocaine-related deaths were clustered in the southeast region of the province.

CONCLUSIONS:

Cocaine-related overdoses in nonurban areas should be a public health concern. Evidence-based interventions to reduce the risks associated with cocaine consumption and reach drug users in nonurban settings are needed.

PMID:
22266349
DOI:
10.1016/j.annepidem.2011.12.004
[Indexed for MEDLINE]
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