How to Assess Activities of Daily Living

Why the Family's Account and What You See Don't Always Match

Fifteen minutes into a first home visit, the daughter says her mother "does fine on her own, she just likes company." Then the mother reaches for a cardigan on the back of a chair and struggles with the buttons for almost a full minute before giving up and leaving it undone. Nobody mentioned dressing as a problem. Nobody was lying — the daughter genuinely believes what she said, and the mother has quietly compensated for months by wearing pullover tops when her daughter visits.

This gap between what families report and what a coordinator actually observes is the reason a structured method matters. Learning how to assess activities of daily living isn't about memorizing a form — it's about knowing what to watch for, what to ask, and how to score it the same way every time, so the plan reflects the person in front of you rather than the story you were told at the door. This piece walks through that method: what to observe, how to score it consistently, and how to turn the result into something usable in a plan of care.

The Six Functions of the Katz Index of Independence in ADL

The most widely used framework for this work is the Katz Index of Independence in Activities of Daily Living, first published in 1963. It defines ADLs as six basic self-care functions: bathing, dressing, toileting, transferring, continence, and feeding. The Hartford Institute for Geriatric Nursing makes the Katz "Try This" instrument freely reproducible for not-for-profit educational use, provided it's attributed to HIGN — one of the reasons it has remained the standard reference point for six decades.

Each function is scored independently rather than as one blended impression. A client can be fully independent in feeding and continence while needing hands-on help with bathing and dressing — and a plan that only records "needs some help" misses which specific function requires which specific support. That specificity is the whole value of doing a functional assessment for care planning instead of a general impression during a chat at the kitchen table.

A Step-by-Step Method to Assess Activities of Daily Living at Home

A consistent sequence during the visit produces a more reliable result than an ad hoc conversation. A workable order:

1. Observe before you ask. Watch the client move through a natural task — standing up from a chair, walking to the bathroom, reaching for something — before you start a formal Q&A. Unprompted movement tells you more than a self-report.
2. Ask the client directly, then the caregiver or family separately. Discrepancies (like the cardigan story above) are data, not a problem to smooth over. Note both accounts.
3. Request a demonstration where appropriate and safe. "Can you show me how you'd get from the bed to the bathroom at night?" reveals far more than "Do you have trouble getting up at night?"
4. Score each of the six functions individually, immediately, while the observation is fresh — not from memory at the end of the day.
5. Note the context, not just the score: does function vary by time of day, fatigue, or medication timing? A client who's independent in the morning and needs assistance by evening is a different care plan than a flat score suggests.

This is the practical core of how to assess activities of daily living — a repeatable sequence, applied the same way for every client, so scores are comparable across visits and across coordinators.

Scoring Consistently: Independent, Needs Assistance, Dependent

Score each function on a simple three-tier scale: Independent (performs the function without human assistance, supervision, or reminders), Needs Assistance (requires some human help, cueing, or supervision), or Dependent (requires total assistance or does not perform the function at all).

The Katz Index itself scores toward a summary figure — full function scores 6, moderate impairment scores around 4, and severe impairment scores 2 or below, per the Hartford Institute for Geriatric Nursing's reference. A worked example: a client who is independent in bathing, dressing, toileting, and feeding but needs assistance with transferring and continence would score toward the moderate range — a single number that, on its own, tells you less than the six individual ratings behind it. Record both: the granular per-function rating for the plan, and the summary score if your agency or licensing reviewer wants a quick-reference figure.

The score is only as useful as the date attached to it — a Katz rating from eight months ago tells a reviewer almost nothing about the client sitting in front of you today.

Consistency matters more than precision here. A coordinator who scores generously on a good day and harshly on a bad one produces a functional record that a licensing reviewer — or a family member reading it later — can't trust. Anchor the three tiers to observable behavior, not to how the visit "felt."

When to Layer in IADLs

Basic ADLs cover self-care. Instrumental activities of daily living — the Lawton-Brody IADL Scale, published in 1969 — cover the eight more complex tasks needed to live independently: using the telephone, shopping, food preparation, housekeeping, laundry, transportation, managing medications, and handling finances. IADL scoring runs 0 to 8, with 8 representing full independence.

Medication management is one of the eight IADL domains, but it's worth being precise about what "assessing" it means at this stage: you're evaluating whether the client can organize and remember their own medications, not administering or adjusting doses. A tool built to support this domain — including CareWorkbook's own medication section — is a reminder-and-organization aid only. It is not an eMAR and does not provide clinical dosing guidance; medication questions of that kind belong with the prescriber or pharmacist, not the assessment.

IADLs typically decline before ADLs do, which is why running both together — rather than ADLs alone — gives a more complete early picture for private-pay planning.

Why the Date on the Assessment Matters

An ADL/IADL assessment is a snapshot, not a permanent record. Function changes — sometimes gradually, sometimes after a single fall or hospitalization — and an undated or unversioned assessment sitting in a folder can't tell anyone whether it still reflects reality. This matters twice: for the family, who deserves a current picture, not last year's; and for a licensing reviewer, who may ask what the documented functional status was at a specific point in time.

This is the case for timestamping every assessment at the moment it's completed and keeping prior versions rather than overwriting them. CareWorkbook's structured ADL/IADL assessment scores each function as Independent, Needs Assistance, or Dependent and timestamps it automatically at every save — so a coordinator can show not just the current score but the trend behind it, without reconstructing a history from a stack of _v2_FINAL documents.

Turning the Assessment Into a Plan of Care

An assessment that stays a standalone form has done half its job. The real value shows up when specific ADL and IADL findings translate directly into specific care tasks — a Needs Assistance rating on transferring becomes a caregiver instruction with a method, not a vague line about "mobility issues." That link between assessment and plan is the difference between a document that satisfies a checklist and one a caregiver can actually use on a shift.

If you're building or refining your own process, our ADL/IADL assessment guide walks through the full intake-to-plan workflow, and the Katz Index explainer goes deeper on scoring edge cases. For the IADL side specifically, see our piece on functional assessment for care planning. If you're comparing tools, our overview of the ADL assessment tools available to small agencies and GCMs is a useful next stop, and if you're currently tracking scores in spreadsheets, our note on ADL/IADL assessment in Excel covers where that approach tends to break down as a caseload grows.

For a ready-made, structured starting point, the ADL/IADL Assessment Pack includes both frameworks in a scorable, printable format built for exactly this home-visit workflow.

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