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

14982

Study Description
Data Dictionary

15. Do you think that most people are better off than you are? (better)

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

Overview

Valid: 55

Range: -

Format:

Questions and instructions

Question pretext

[modeb6]<>'0'

Categories

Value	Category	Cases
1	Yes	3	5.5%
0	No	39	70.9%
9	Did not answer	13	23.6%

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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