Journal article
Effect of copayments on drug use in the presence of annual payment limits.
Abstract
OBJECTIVE: To test the hypothesis that deductibles (copayment combined with annual limits on out-of-pocket payments) may reduce the effect of copayments on drug use for patients who expect to reach the annual limit, using as a natural experiment the introduction of copayments with an annual maximum to the seniors' drug plan in Nova Scotia.
STUDY DESIGN: An interrupted time-series design estimated effects of the introduction of and subsequent …
Authors
Kephart G; Skedgel C; Sketris I; Grootendorst P; Hoar J
Journal
The American Journal of Managed Care, Vol. 13, No. 6 Pt 2, pp. 328–334
Publication Date
June 2007
ISSN
1088-0224