Societal and Family Lifetime Cost of Dementia: Implications for Policy

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Abstract

Objectives: To estimate the cost of dementia and the extra cost of caring for someone with dementia over the cost of caring for someone without dementia. Design: We developed an evidence-based mathematical model to simulate disease progression for newly diagnosed individuals with dementia. Data-driven trajectories of cognition, function, and behavioral and psychological symptoms were used to model disease progression and predict costs. Using modeling, we evaluated lifetime and annual costs of individuals with dementia, compared costs of those with and without clinical features of dementia, and evaluated the effect of reducing functional decline or behavioral and psychological symptoms by 10% for 12 months (implemented when Mini-Mental State Examination score ≤21). Setting: Mathematical model. Participants: Representative simulated U.S. incident dementia cases. Measurements: Value of informal care, out-of-pocket expenditures, Medicaid expenditures, and Medicare expenditures. Results: From time of diagnosis (mean age 83), discounted total lifetime cost of care for a person with dementia was $321,780 (2015 dollars). Families incurred 70% of the total cost burden ($225,140), Medicaid accounted for 14% ($44,090), and Medicare accounted for 16% ($52,540). Costs for a person with dementia over a lifetime were $184,500 greater (86% incurred by families) than for someone without dementia. Total annual cost peaked at $89,000, and net cost peaked at $72,400. Reducing functional decline or behavioral and psychological symptoms by 10% resulted in $3,880 and $680 lower lifetime costs than natural disease progression. Conclusion: Dementia substantially increases lifetime costs of care. Long-lasting, effective interventions are needed to support families because they incur the most dementia cost.

Original languageEnglish (US)
Pages (from-to)2169-2175
Number of pages7
JournalJournal of the American Geriatrics Society
Volume65
Issue number10
DOIs
StatePublished - Oct 2017

Keywords

  • dementia
  • dementia cost
  • family caregiving
  • institutionalization

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