ArticleInternational journal of mental health and addiction2025
Characteristics and Risk of Adverse Mental Health Events Amongst Users of the National Overdose Response Service (NORS) Telephone Hotline.
Article in International journal of mental health and addiction, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
What it found
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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
7 citing papers in PubMed.
- "We're here, and we're non-judgmental, we're here to save lives": stressors and fulfillment among overdose response hotline operators in Canada.Harm reduction journal · 2026Article
- Article
- Predictors of overdose response hotline use for mental health and fatal overdose prevention.Canadian journal of public health = Revue canadienne de sante publique · 2025Article
- Sociodemographic and clinical characteristics associated with overdose among patients with a substance-related diagnosis in the emergency department of Southern California.Harm reduction journal · 2025Article
- "Oh, Another Overdose, for the Love of Pete": First Responder Perspectives on Overdose Response Technology.The western journal of emergency medicine · 2025Article
- Perspectives of key interest groups regarding supervised Consumption sites (SCS) and novel virtual harm reduction services / overdose response hotlines and applications: a qualitative Canadian study.Harm reduction journal · 2024Article
- Implementing Canada's first national virtual phone based overdose prevention service: lessons learned from creating the National Overdose Response Service (NORS).Harm reduction journal · 2024Article
Corrections and comments
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The National Overdose Response Service (NORS) is a Canadian mobile or virtual overdose response hotline intended to prevent drug overdose deaths but has unexpectedly received mental health related calls, including adverse mental health events. Our study aimed to examine these occurrences and caller characteristics predictive of adverse mental health outcomes. Using the NORS call dataset, we conducted a descriptive representation of mental health occurrences and mental health emergencies along with correlative statistics. We found that NORS had received 2518 mental health calls, with 28 (1.1%) being adverse events. Men, rural callers, polyroute substance consumption and history of overdosing were found to have increased odds of having an adverse mental health event, while being from Quebec, using non-standard consumption routes and using the line between 50 and 99 times were found to decrease odds. This supports the utility of overdose prevention hotlines to also support people experiencing adverse mental health situations and reduce harm for individuals with mental health and/or substance use disorders.
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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.