Determinants of Potentially Inappropriate Medication Use among Community‐Dwelling Older Adults
- 29 September 2016
- journal article
- Published by Wiley in Health Services Research
- Vol. 52 (4), 1534-1549
- https://doi.org/10.1111/1475-6773.12562
Abstract
To examine the determinants of potentially inappropriate medication (PIM) use. U.S. nationally representative data on (n = 16,588) noninstitutionalized older adults (age ≥65) with drug use from the 2006–2010 Medical Expenditure Panel Survey. We operationalized the 2012 Beers Criteria to identify PIM use during the year, and we examined associations with individual-level characteristics hypothesized to be quality enabling or related to need complexity. Almost one-third (30.9 percent) of older adults used a PIM. Multivariate results suggest that poor health status and high-PIM-risk conditions were associated with increased PIM use, while increasing age and educational attainment were associated with lower PIM use. Contrary to expectations, lack of a usual care source of care or supplemental insurance was associated with lower PIM use. Medication intensity appears to be in the pathway between both quality-enabling and need-complexity characteristics and PIM use. Our results suggest that physicians attempt to avoid PIM use in the oldest old but have inadequate focus on the high-PIM-risk conditions. Educational programs targeted to physician practice regarding high-PIM-risk conditions and patient literacy regarding medication use are potential responses.Keywords
Funding Information
- National Institute of Nursing Research (R01 NR011042)
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