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

12805

Study Description
Data Dictionary

12o. Loss of empathy - Does the participant fail to take others' feelings into account? (beempath)

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

Overview

Valid: 56

Range: -

Format:

Questions and instructions

Question pretext

[decclbe] = 1

Categories

Value	Category	Cases
0	No	8	14.3%
1	Yes	6	10.7%
9	Unknown	42	75%

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.

Back to Catalog