Fig. 1From: A cohort study evaluating the association between concurrent mental disorders, mortality, morbidity, and continuous treatment retention for patients in opioid agonist treatment (OAT) across Ontario, Canada, using administrative health dataFlow chart outlining data build including linkages. OAT, opioid agonist treatment; OHIP, Ontario Health Insurance Plan Database; RPDB, Registered Persons Database; NACRS, National Ambulatory Care Database; DAD, Discharge Abstract DatabaseBack to article page