Fig. 2

Cox Proportional Hazards Model of Overdose Event Following Incident Benzodiazepine Use Stratified by Age: Benzodiazepine and Other Prescription Medication Characteristics^a. CI, confidence interval; BZD, benzodiazepine. ^a Adjusted for sociodemographic characteristics, Elixhauser comorbidity index, frailty (among the 65 + age group), and seasonality (full model presented in Table S2). Reference groups are as follows: Average daily dose (< 1 lorazepam-equivalent mg/day); Days’ supply (14-30 days); specific medication classes (never use)