Objective: To decompose the overall effect of multitiered formularies on drug utilization and
spending into the following 2 observed effects on consumer behavior: first, higher …

Objectives: To examine the impact of incentive formularies on prescription drug spending
shifts in formulary compliance, use of generic medications, and mail-order fulfillment in the …

Objectives. To assess the impact of multitiered copayments on the cost and use of
prescription drugs among Medicare beneficiaries. Data Sources. Marketscan 2002 Medicare …

OBJECTIVE: To review recent studies comprehensively assessing the impact of incentive-
based multitier formularies on pharmaceutical costs and utilization. DATA SOURCES …

Materials and methods. Longitudinal logistic regression analyses of pharmacy claims from
1998 and 1999 comparing concurrent groups that were or were not exposed to tiered …

BACKGROUND: Incentive-based prescription drug cost sharing can encourage seniors to
use generic medications. Little information exists about prescription drug cost sharing and …

Objectives: To examine patient attitudes related to formulary medications and medication-
related decision making in multitier copayment prescription drug plans. Study Design: A …

Objectives To (1) describe prescription drug cost sharing and benefit structures faced by
seniors before implementation of the Medicare drug benefit,(2) examine the relationship …

OBJECTIVE: To evaluate the impact of 3-tier (copayment) pharmacy benefit structures on
medication utilization behavior. METHODS: A pretest-posttest quasi-experimental design …

Background Many employers and health plans have adopted incentive-based formularies in
an attempt to control prescription-drug costs. Methods We used claims data to compare the …