JAMA: January 16, 2013
Importance The US Centers for Medicare & Medicaid Services publishes star ratings reflecting Medicare Advantage plan quality to inform enrollment decisions.
Objective To assess the association between publicly reported Medicare Advantage plan quality ratings and enrollment.
Design, Setting, and Participants Cross-sectional study of 2011 Medicare Advantage enrollments among 952 352 first-time enrollees and 322 699 enrollees switching plans.
Main Outcome Measure Association between star ratings and enrollment was modeled using conditional logit regression, controlling for beneficiary and plan characteristics. Read More