How Do Colorado Public Libraries Respond to Patron Queries about Opioid Use Disorder? A Secret Shopper Study.

: Colorado's age-adjusted fatal opioid overdose rate increased over 400% from 2000 to 2020. Public libraries are increasingly valuable community resources for accessing health-related information. We sought to evaluate the availability and types of opioid use disorder (OUD)-related resources offered through Colorado Public Library branches using secret shoppers to collect data.