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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
14882

15g. Change in speech - Has the participant noted a change in speech (abrupt or gradual) such that speech is slurred, or the ability to articulate the tongue and lips to form words and sentences has declined compared to their baseline? (mospeech)

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

Overview

Valid: 55
Range: -
Format:

Questions and instructions

Question pretext
[decclmot] = '1'
Categories
Value Category Cases
0 No 25
45.5%
1 Yes 20
36.4%
9 Unknown 10
18.2%
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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