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

14860

2. Orientation (orient)

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

Overview

Valid: 57

Range: -

Format:

Questions and instructions

Categories

Value	Category	Cases
0	None = 0 Fully orientedNone = 0 Fully oriented	12	21.1%
0.5	Questionable = 0.5 Fully oriented except for slight difficulty with time relationshipsQuestionable = 0.5 Fully oriented except for slight difficulty with time relationships	14	24.6%
1	Mild = 1 Moderate difficulty with time relationships; oriented for place at examination; may have geographic disorientation elsewhereMild = 1 Moderate difficulty with time relationships; oriented for place at examination; may have geographic disorientation elsewhere	7	12.3%
2	Moderate = 2 Severe difficulty with time relationships; usually disoriented to time, often to placeModerate = 2 Severe difficulty with time relationships; usually disoriented to time, often to place	12	21.1%
3	Severe = 3 Oriented to person onlySevere = 3 Oriented to person only	5	8.8%
99	Not ApplicableNot Applicable	7	12.3%

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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