Uniform Data Set version 4
UDSv4 - Template

United States

Reference ID

USDv4

Producer(s)

National Alzheimer’s Coordinating Center (NACC) and the NIA-funded ADRC network

Collections

Clinical Trial

Metadata

DDI/XML JSON

Created on

Jul 02, 2026

Last modified

Jul 07, 2026

Page views

15004

6. Personal Care (perscare)

Data file: UDSv4TemplateForXMLD_2026-04-14_0731.REDCap.xml

Overview

Valid: 59

Range: -

Format:

Questions and instructions

Categories

Value	Category	Cases
0	None / Questionable = 0 Fully capable of self-careNone / Questionable = 0 Fully capable of self-care	2	3.4%
1	Mild = 1 Needs promptingMild = 1 Needs prompting	20	33.9%
2	Moderate = 2 Requires assistance in dressing, hygiene, keeping of personal effectsModerate = 2 Requires assistance in dressing, hygiene, keeping of personal effects	5	8.5%
3	Severe = 3 Requires much help with personal care; frequent incontinenceSevere = 3 Requires much help with personal care; frequent incontinence	26	44.1%
99	Not ApplicableNot Applicable	6	10.2%

Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.

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