ArticleDrug and alcohol dependence2023
Availability of timely methadone treatment in the United States and Canada during COVID-19: A census tract-level analysis.
Article in Drug and alcohol dependence, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 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.
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Who cites it
4 citing papers in PubMed.
- Startup activities and challenges implementing an integrated care model for pregnant and postpartum individuals with substance use disorders: a qualitative study.Substance abuse treatment, prevention, and policy · 2026Observational
- "Talk About It!" Shared Decision-Making for Methadone and Buprenorphine Initiation: Development and Preliminary Evaluation of a Conversation Aid via Community-Based Participatory Research.Academic emergency medicine : official journal of the Society for Academic Emergency Medicine · 2026Article
- Methadone-involved overdose deaths in urban and rural communities before and after the public health emergency flexibilities for methadone take-home doses.Drug and alcohol dependence reports · 2025Article
- Methamphetamine use and utilization of medications for opioid use disorder among rural people who use drugs.Drug and alcohol dependence · 2023Article
Corrections and comments
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Authors and funding
6 authors.
Funding
Abstract
objectivesWe sought to compare timely access to methadone treatment in the United States (US) and Canada during the COVID-19 pandemic.
methodsWe conducted a cross-sectional study of census tracts and aggregated dissemination areas (used for rural Canada) within 14 US and 3 Canadian jurisdictions in 2020. We excluded census tracts or areas with a population density of less than one person per square km. Data from a 2020 audit of timely medication access was used to determine clinics accepting new patients within 48 h. Unadjusted and adjusted linear regressions were performed to examine the relationship between area population density and sociodemographic covariates and three outcome variables: 1) driving distance to the nearest methadone clinic accepting new patients, 2) driving distance to the nearest methadone clinic accepting new patients for medication initiation within 48 h, and 3) the difference in the driving distance between the first and second outcome.
resultsWe included 17,611 census tracts and areas with a population density greater than one person per square kilometer. After adjusting for area covariates, US jurisdictions were a median of 11.6 miles (p value <0.001) further from a methadone clinic accepting new patients and 25.1 miles (p value <0.001) further from a clinic accepting new patients within 48 h than Canadian jurisdictions.
conclusionsThese results suggest that the more flexible Canadian regulatory approach to methadone treatment is associated with a greater availability of timely methadone treatment and reduced urban-rural disparity in availability, compared to the US.
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