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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
11812

1. Writing checks, paying bills, or balancing a checkbook (bills)

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

Overview

Valid: 60
Range: -
Format:

Questions and instructions

Question pretext
[modeb7]<>'0'
Categories
Value Category Cases
8 Not applicable (e.g., never did) 1
1.7%
0 Normal 11
18.3%
1 Has difficulty, but does by self 23
38.3%
2 Requires assistance 9
15%
3 Dependent 7
11.7%
9 Unknown 9
15%
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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