The impact of OHIP+ pharmacare on use and costs of public drug plans among children and youth in Ontario: a time-series analysis

BACKGROUND: In 2018, Ontario implemented a pharmacare program (Ontario Health Insurance Plan Plus [OHIP+]) to provide children and youth younger than 25 years with full coverage for prescription medications in the provincial formulary. We aimed to assess the use of public drug plans and costs of publicly covered prescriptions before and after the program's implementation and modification. METHODS: We conducted a population-based, interrupted …