Cost-sharing and adherence to antihypertensives for low and high adherers.

  title={Cost-sharing and adherence to antihypertensives for low and high adherers.},
  author={Jean Yoon and Susan L. Ettner},
  journal={The American journal of managed care},
  volume={15 11},
OBJECTIVE To examine how the influence of cost-sharing on adherence to antihypertensive drugs varies across adherence levels. STUDY DESIGN Cross-sectional study using medical and pharmacy claims and benefits data on 83,893 commercially insured patients with hypertension from the 2000-2001 Medstat MarketScan Database. METHODS We measured drug adherence using the medication possession ratio (MPR) for antihypertensive drugs over 9 months. Drug cost-sharing was measured as either copayments or… CONTINUE READING

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