{"doi":"10.2105/ajph.2025.308270","title":"Opioid Overdose Mortality Among Patients Receiving a Peer-Delivered, Emergency Department–Based Nonfatal Opioid Overdose Intervention in New York City, 2017–2022","abstract":"<jats:p>Objectives. To measure risk of fatal opioid overdose within 1 year of engagement with Relay’s nonfatal overdose response initiative and characterize differences in demographics, substance use, and overdose risk factors by service engagement.</jats:p>\n                  <jats:p>Methods. We assessed the mortality status of 5006 patients who presented to Relay’s partnered emergency departments (EDs) in New York City for a suspected nonfatal opioid overdose (2017–2022) and accepted peer-delivered overdose prevention services in the ED, grouped by agreement to and subsequent receipt of post-ED follow-up.</jats:p>\n                  <jats:p>Results. Compared with those declining follow-up, the risk of fatal overdose was not significantly higher among those consenting (adjusted hazard ratio [AHR] = 1.24; 95% confidence interval [CI] = 0.94, 1.65). Among those accepting follow-up, risk was lower for those who were reached (AHR = 0.64; 95% CI = 0.48, 0.84) compared with those who were not.</jats:p>\n                  <jats:p>Conclusions. Peer-delivered ED interventions such as Relay may be effective in reducing fatal overdose risk for individuals with fewer risk factors, and post-ED services are essential for those at higher risk. Approaches should be tailored to more effectively deliver post-ED services to this group. ( Am J Public Health. 2026;116(1):113–123. https://doi.org/10.2105/AJPH.2025.308270 )</jats:p>","journal":"American Journal of Public Health","year":2026,"id":642485,"datarank":0.10397207708399181,"base_score":0.6931471805599453,"endowment":0.6931471805599453,"self_citation_contribution":0.10397207708399181,"citation_network_contribution":0.0,"self_endowment_contribution":0.10397207708399181,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":1,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":null,"is_data_producer":false,"deposit_databanks":null,"is_oa":false,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":null,"fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":1671191,"name":"Alice E. Welch","orcid":"0000-0002-9157-4987","position":1,"is_corresponding":false},{"id":390070,"name":"Ellenie Tuazon","orcid":"0000-0002-8779-1604","position":2,"is_corresponding":false},{"id":1671192,"name":"Dominique Chambless","orcid":null,"position":3,"is_corresponding":false},{"id":1041572,"name":"Joseph Kennedy","orcid":"0000-0002-6608-2366","position":4,"is_corresponding":false},{"id":1289898,"name":"Angela Jeffers","orcid":"0009-0007-3853-3354","position":5,"is_corresponding":false},{"id":1671190,"name":"Kelsey L. Kepler","orcid":"0000-0003-0209-6686","position":0,"is_corresponding":false}],"reference_count":0,"raw_metadata":{"has_enrichment":true,"resolved":true,"title":"Opioid Overdose Mortality Among Patients Receiving a Peer-Delivered, Emergency Department–Based Nonfatal Opioid Overdose Intervention in New York City, 2017–2022","abstract":"<jats:p>Objectives. To measure risk of fatal opioid overdose within 1 year of engagement with Relay’s nonfatal overdose response initiative and characterize differences in demographics, substance use, and overdose risk factors by service engagement.</jats:p>\n                  <jats:p>Methods. We assessed the mortality status of 5006 patients who presented to Relay’s partnered emergency departments (EDs) in New York City for a suspected nonfatal opioid overdose (2017–2022) and accepted peer-delivered overdose prevention services in the ED, grouped by agreement to and subsequent receipt of post-ED follow-up.</jats:p>\n                  <jats:p>Results. Compared with those declining follow-up, the risk of fatal overdose was not significantly higher among those consenting (adjusted hazard ratio [AHR] = 1.24; 95% confidence interval [CI] = 0.94, 1.65). Among those accepting follow-up, risk was lower for those who were reached (AHR = 0.64; 95% CI = 0.48, 0.84) compared with those who were not.</jats:p>\n                  <jats:p>Conclusions. Peer-delivered ED interventions such as Relay may be effective in reducing fatal overdose risk for individuals with fewer risk factors, and post-ED services are essential for those at higher risk. Approaches should be tailored to more effectively deliver post-ED services to this group. ( Am J Public Health. 2026;116(1):113–123. https://doi.org/10.2105/AJPH.2025.308270 )</jats:p>","is_dataset_classified":null,"base_score":0.0,"endowment":0.0,"datacite_reuse_total":0,"file_count":0,"downloads":0,"views":0,"has_version_chain":false,"is_dataset":false,"is_oa":false,"pmid":"41100804","pmcid":null,"openalex_id":null,"authors":[],"funders":[],"total_grants":0,"fwci":null,"citation_percentile":null,"influential_citations":0,"citation_trend":[],"oa_status":"green","license":null,"oa_locations":[{"url":"https://pubmed.ncbi.nlm.nih.gov/41100804/","host_type":"repository"},{"url":"https://ajph.aphapublications.org/doi/pdf/10.2105/AJPH.2025.308270","host_type":"publisher"}],"fields_of_study":[],"mesh_terms":["Humans","Opioid-Related Disorders","Risk Factors","Peer Group","Adult","Middle Aged","Emergency Service, Hospital","New York City","Female","Male","Young Adult","Drug Overdose","Opiate Overdose"],"keywords":[],"sdg_mappings":[],"linked_datasets":[],"clinical_trials":[],"software_tools":[],"database_accessions":[],"source":"live","citation_network_status":"fetched"},"created_at":"2026-08-07T22:58:04.517376Z","pmid":null,"pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}