ArticleSpatial and spatio-temporal epidemiology2019
Density of low-barrier opioid agonist clinics and risk of non-fatal overdose during a community-wide overdose crisis: A spatial analysis.
Article in Spatial and spatio-temporal epidemiology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
12 citing papers in PubMed, 18 citations in OpenAlex.
- Mapping needles, reducing harm: Findings from a geospatial, community-based needle collection and naloxone training initiative in Saskatchewan, Canada.Harm reduction journal · 2026Article
- Evaluation of the Implementation of an Outreach Clinic for Opioid Use Disorder: Protocol for a Participatory Cocreation and Implementation Study.JMIR research protocols · 2025Article
- Article
- The use of geographic information systems (GIS) in studying mental health service delivery: A scoping review.Global mental health (Cambridge, England) · 2025Review
- Spatiotemporal epidemiology of substance-related accidental acute toxicity deaths in Canada from 2016 to 2017.BMC public health · 2024Article
- Primary care embedded within permanent supportive housing for people who use substances: A qualitative study examining healthcare access in Vancouver, Canada.Health & social care in the community · 2022Article
- Availability and use of non-prescribed buprenorphine-naloxone in a Canadian setting, 2014-2020.The International journal on drug policy · 2022Article
- A spatiotemporal analysis of inequalities in life expectancy and 20 causes of mortality in sub-neighbourhoods of Metro Vancouver, British Columbia, Canada, 1990-2016.Health & place · 2021Article
- "People need them or else they're going to take fentanyl and die": A qualitative study examining the 'problem' of prescription opioid diversion during an overdose epidemic.Social science & medicine (1982) · 2021Article
- The opioid crisis is driving mortality among under-served people living with HIV in British Columbia, Canada.BMC public health · 2021Article
- Cohort Profile: The Collaborating Consortium of Cohorts Producing NIDA Opportunities (C3PNO).International journal of epidemiology · 2021Article
- Correlates of recent nonfatal overdose among people who inject drugs in West Virginia.Harm reduction journal · 2021Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
10 authors at 2 institutions in 2 countries.
Funding
Abstract
objectivesIn recent years, North America has witnessed a spike in the number of overdoses (OD) and OD-related deaths. The aim of this study was to assess spatial correlates of OD risk in Vancouver, Canada.
methodsData utilized for this study was from three open and ongoing prospective cohorts of people who use drugs (PWUDs) in Vancouver, Canada. Logistic regression analyses with generalized linear mixed-effects models (GLMM) was used to examine correlates of residing in areas characterized by high OD rates. Mapping was used to examine areas showing OD clusters.
resultsWe included 1336 PWUDs who resided in the downtown area. In multivariable analysis, higher availability of methadone clinics within walking distance, daily cocaine injectors and daily crack users had independent decreased odds of living within an OD cluster.
conclusionThis study found that higher availability of methadone clinics was associated with decreased odds of living within OD clusters.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.