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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
12589

6. Does the co-participant report the development of any significant neuropsychiatric/behavioral symptoms (relative to stable baseline prior to onset of current syndrome)? (psychsymin)

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

Overview

Valid: 57
Range: -
Format:

Questions and instructions

Categories
Value Category Cases
0 No 4
7%
1 Yes 19
33.3%
8 There is no co-participant 34
59.6%
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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