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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
14494

IVP Q17./FVP Q8. How much time in total do you spend each week exercising or engaged in physically strenuous activities that cause increases in your breathing or heart rate for at least 10 minutes continuously? (Include activity at work, traveling to and (exrtime)

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

Overview

Valid: 59
Range: -
Format:

Questions and instructions

Categories
Value Category Cases
1 None 17
28.8%
2 1 hour or less 9
15.3%
3 2.5 hours or less 2
3.4%
4 More than 2.5 hours 16
27.1%
8 Prefer not to answer 8
13.6%
9 Don't know 7
11.9%
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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