Definition
Activities of daily living are a standard set of basic self-care tasks — including bathing, dressing, eating, transferring, toileting, and continence — used by health professionals and insurers to assess functional status and care needs.
Why it matters
Many late-life care decisions depend on whether an individual can perform routine self-care tasks without assistance. Activities of daily living provide a standardized framework for that assessment, used by clinicians to characterize functional status, by long-term care insurers to determine eligibility for benefits, and by family caregivers to anticipate care needs. The framework is the operational definition underlying most discussions of disability and care need in late life.
How it works
The standard six activities of daily living, established by the Katz Index in 1963, are bathing, dressing, eating, transferring (moving between bed and chair), toileting, and continence. A related set of instrumental activities of daily living — shopping, cooking, managing money, using the telephone, taking medication, managing the household — captures higher-order tasks that depend on cognitive and physical function together. Functional assessments typically count the number of activities an individual can perform without assistance; long-term care insurance benefit triggers in the United States generally activate when an individual cannot perform two or more of the six activities of daily living without substantial assistance, or when severe cognitive impairment is present. As an example, an individual who can bathe and dress without help but requires assistance with eating, transferring, and toileting is impaired in three of six activities of daily living and would typically meet the threshold for long-term care insurance benefit triggers.
In practice
For an individual planning for late-life care, the activities-of-daily-living framework is useful for thinking about what level of impairment would trigger what level of care — home care, assisted living, or nursing-home care — and what level of impairment would trigger benefits under a long-term care insurance contract or a hybrid life-and-long-term-care product. The framework also clarifies the difference between independence at advanced ages (most activities intact) and the level of impairment at which family caregiving alone is no longer sufficient. A professional discussing long-term care options should be able to translate the contractual activities-of-daily-living trigger into concrete terms — what the trigger looks like in practice, when it is likely to be met, and how the carrier evaluates the assessment.
In the Longevity Standard Framework
Activities of daily living are supporting vocabulary in the Longevity Standard framework, providing the operational definition of functional impairment that underlies the long-term care risk dimension of total retirement risk. The framework does not directly use activities-of-daily-living counts in its cost-of-income analysis, but the activities-of-daily-living trigger is the structural feature through which long-term care insurance contracts — and hybrid life-and-long-term-care products — translate health-status into benefit payments. The framework characterizes such arrangements through the four claim properties; the activities-of-daily-living trigger sits inside the adjustment-mechanism property of those arrangements, determining when benefits commence and at what level.
Related terms
- Long-term care risk
- Instrumental activities of daily living
- Cognitive decline risk
- Morbidity risk
- Long-term care insurance
- Hybrid life and long-term care product
- Functional status