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. Author manuscript; available in PMC: 2010 Jul 18.
Published in final edited form as: Clin Ther. 2008;30(Spec No):1038–1050. doi: 10.1016/j.clinthera.2008.06.003

Figure 1.

Figure 1

Cohort identification and follow-up periods. Prior to January 1, 2002, patients ≥65 years of age received full ingredient cost coverage from the province for eligible drugs. Patients were responsible for dispensing fees. From January 1, 2002, to April 30, 2003, low-income elderly patients paid $10 per prescription for the first 20 prescriptions of the year, and other elderly patients paid $25 per prescription for the first 11 prescriptions. Starting in May 2003, elderly patients had a deductible equal to 0%, 1%, or 2% of their income, after which they paid 25% of all prescription costs until reaching their out-of-pocket ceiling. In the first 8 months of the income-based deductible (IBD) policy, seniors were allowed to carry over out-of-pocket expenditures from the first 4 months of the year, which effectively reduced the IBD that year. Patients started at zero again in January 2004.