The Effect of a Prescription Drug Coverage Policy on Risk of Falls and Overdose in Older Adults


Although individual-level associations between injury and benzodiazepine use for older adults are well established, the effects of new coverage for benzodiazepines in 2013 on population-level injury trends in older adults on Medicare Part D has not been studied. We hypothesize that the new coverage of benzodiazepines will be associated with an increase in 1) the rate of fall-related injuries and 2) unintentional overdoses. To examine the impact of this policy, we will analyze OptumInsight claims data on 6.1 million Medicare Advantage enrollees between 2006 and 2015. Outcomes are fall-related injuries (e.g., fractures, head injuries) and unintentional overdoses based on diagnostic ICD-9 and E codes from healthcare claims

Status: Ongoing
Funding: UM Injury Prevention Center
Faculty Engagement: Lewei (Allison) Lin, MD, MS