Impact of 3-tier pharmacy benefit design and increased consumer cost-sharing on drug utilization.

@article{Landsman2005ImpactO3,
  title={Impact of 3-tier pharmacy benefit design and increased consumer cost-sharing on drug utilization.},
  author={Pamela B. Landsman and Winnie Yu and Xiao-Feng Liu and Steven M. Teutsch and Marc L Berger},
  journal={The American journal of managed care},
  year={2005},
  volume={11 10},
  pages={621-8}
}
OBJECTIVE To estimate responsiveness of prescription demand within 9 therapeutic classes to increased cost-sharing compared with constant cost-sharing. STUDY DESIGN Retrospective prescription claims analysis. METHODS Between 1999 and 2001, 3 benefit plans changed from a 2-tier to a 3-tier design (cases); 1 plan kept a 2-tier design (controls). Study subjects needed 24 months of continuous coverage and a prescription filled < OR = 3 months before the benefit change for a nonsteroidal anti… CONTINUE READING