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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
13610

15a. Post-traumatic stress disorder (PTSD) (primary/contributing/non-contributing) (ptsddxif)

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

Overview

Valid: 59
Range: -
Format:

Questions and instructions

Question pretext
[loc_ptsddx(1)] = 1
Categories
Value Category Cases
1 Primary 16
27.1%
2 Contributing 26
44.1%
3 Non-contributing 17
28.8%
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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