Cohort Profile Update: Reflecting back and looking ahead: Updating the Comparative Outcomes and Service Utilization Trends (COAST) Study to include 28 years of linked data from people with and without HIV in British Columbia, Canada

• DOI: 10.23889/ijpds.v10i1.2496
• Publication Date: 2025-03-06T13:51:25Z
• Authors: Michael Owusu Budu; Katherine W. Kooij; Katherine Heath; Taylor McLinden; Claudette Cardinal; Scott D. Emerson; Paul Sereda; Jason Trigg; Jenny Li; Erin Ding; Mark W. Hull; Kate Salters; Viviane D. Lima; Rolando Barrios; Julio S. G. Montaner; Robert S. Hogg; COAST Study Team

The Comparative Outcomes and Service Utilization Trends (COAST) study compares health outcomes among People With HIV (PWH) Without (PWoH) in British Columbia (BC), Canada. cohort was recently updated to include persons diagnosed with after March 31, 2013, expanded broaden research applications. COAST includes PWH a 10% random sample of the general population without HIV, all aged ≥19. Our links an registry healthcare practitioner billing, hospital emergency department attendance data, prescription drug dispensations, cancer registry. update included new sampling strategies, adding data on visits not previously captured, extending our follow-up period 28 years (from 1992 2020). now 17,119 615,264 PWoH. has contributed understanding combination antiretroviral therapy (ART) use, service utilization, chronic diseases, mental substance use disorders, mortality BC. Key findings earlier age at diagnosis certain conditions, higher incidence mood disorders PWH, noteworthy shifts causes death ART. will provide insights into changing nature living BC serves as novel foundation for further research. To explore extend knowledge evolving trends people aging BC, regular linkage updates inclusion additional datasets are scheduled every two years.