ArticleJournal of Alzheimer's disease : JAD2023
Specialist Availability and Drug Adherence in Older Adults with Dementia Across Regions of the United States.
Article in Journal of Alzheimer's disease : JAD, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 1 of them a synthesis that pooled it.
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Who cites it
6 citing papers in PubMed, 1 synthesis or guideline pooled it, 6 citations in OpenAlex.
- Access to healthcare services and adherence to treatments for people with dementia among ethnic minority groups: a scoping review.Frontiers in dementia · 2026Pooled it
- Hospitalizations and long-term care for older adults with Alzheimer's disease and related dementia: Differences across geographic regions of the United States.Journal of Alzheimer's disease : JAD · 2026Article
- Drug-Induced Hyponatremia as a Cause of Emergency Department Attendance.Pharmacy (Basel, Switzerland) · 2026Article
- Adherence of Anti-Dementia Medications in Alzheimer's Disease and Related Dementia: A Nationwide Cohort Study in Korea.Journal of Korean medical science · 2025Article
- The impact of the socioeconomic factor on Parkinson's disease medication adherence: a scoping review.Arquivos de neuro-psiquiatria · 2024Article
- 4,4'-methylenediphenol reduces Aβ-induced toxicity in aFrontiers in aging neuroscience · 2024Article
Corrections and comments
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
Abstract
backgroundAccess to specialists facilitates appropriate Alzheimer's disease and related dementia (ADRD) medication use and adherence. However, there is little information on the impact of specialists' availability on ADRD medication adherence, especially in regions of the United States (US) where specialists are scarce, e.g., the Deep South (DS).
objectiveTo ascertain whether the availability of specialty physicians in the DS and other US regions predicts ADRD medication adherence among community-dwelling older adultsMethods:We conducted secondary analyses of claims data for 54,194 Medicare beneficiaries with ADRD in 2013-2015. Medication adherence was measured using the proportion of days covered (PDC). Multivariable-adjusted Modified Poisson regression was used to examine associations of adherence with physicians' availability by region.
resultsThe race/ethnicity distribution was 81.44% white, 9.17% black, 6.24% Hispanic, 2.25% Asian, and 1% other; 71.81% were female, and 42.36% were older than 85 years. Beneficiaries across regions differed in all individual and contextual characteristics except sex and comorbidities. Neurologists and psychiatrists' availability was not significantly associated with adherence (DS = 1.00, 0.97-1.03 & non-DS = 1.01, 1.00-1.01). Race and having ≥1 specialist visits were associated with a lower risk of adherence in both regions (p < 0.0001). Advanced age, dual Medicare/Medicaid eligibility, and living in non-large metropolitan areas, were associated with adherence in the non-DS region.
conclusionAmong older Americans with ADRD, a context defined by specialist availability does not affect adherence, but other context characteristics related to socioeconomic status may. Research should further examine the influence of individual and contextual factors on ADRD treatment among older adults.
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