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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
14131

3b. Tremor at rest - right hand (trestrhd)

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

Overview

Valid: 58
Range: -
Format:

Questions and instructions

Question pretext
[pdnormal] <> '1'
Categories
Value Category Cases
0 Absent 16
27.6%
1 Slight and infrequently present 6
10.3%
2 Mild in amplitude and persistent; or moderate in amplitude, but only intermittently present 15
25.9%
3 Moderate in amplitude and present most of the time 13
22.4%
4 Marked in amplitude and present most of the time 5
8.6%
8 Untestable 3
5.2%
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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