Health Services Research
Latest posts by Health Services Research (see all)
- Breaking Narrative Ground: Innovative Methods for Rigorously Eliciting and Assessing Patient… - Apr. 29, 2016
- New Evidence on What Works in Effective Public Reporting - Apr. 28, 2016
- Response to Inference Using Sample Means of Parametric Nonlinear Data Transformations - Apr. 20, 2016
- High-Cost Users of Prescription Drugs: A Population-Based Analysis from British Columbia,… - Apr. 19, 2016
Objective To compare the use of guideline-recommended prescription medications for diabetes among Medicare beneficiaries enrolled in stand-alone prescription drug plans (PDPs) with Medicare Advantage prescription drug plans (MAPDs) in the presence of potential selection bias. Data Sources/Study Setting Centers for Medicare and Medicaid Services’ Chronic Condition Data Warehouse (2006, 2007). Study Design Retrospective cross-sectional comparison of drug use and proportion of days covered (PDC) for oral-antidiabetics, ACE-inhibitors/ARBs, and antihyperlipidemics among PDP and MAPD enrollees with diabetes. We estimated nave regression models assuming exogenous plan choice and two-stage residual inclusion (2SRI) models to study endogeneity in choice of Part D plan type.
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