Metasight Demonstration Catalog
Explore our solution
  • Home
  • Catalog
  • Guide
  • About
  • Login
    Login
    Home / Central Data Catalog / USDV4 / variable [UDSv4Template]
central

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
14878
  • Study Description
  • Data Dictionary
  • Data files
  • UDSv4TemplateForXMLD_2026-04-14_0731.REDCap.xml

10. Language3 (cdrlang)

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

Overview

Valid: 54
Range: -
Format:

Questions and instructions

Categories
Value Category Cases
0 None = 0 No language difficulty or occasional mild tip-of-the-tongueNone = 0
No language difficulty or occasional mild tip-of-the-tongue
14
25.9%
0.5 Questionable = 0.5 Consistent mild word-finding difficulties; simplification of word choice; circumlocution; decreased phrase length; and/or mild comprehension difficultiesQuestionable = 0.5
Consistent mild word-finding difficulties; simplification of word choice; circumlocution; decreased phrase length; and/or mild comprehension difficulties
4
7.4%
1 Mild = 1 Moderate word-finding difficulty in speech; cannot name objects in environment; reduced phrase length and/or agrammatical speech and/or reduced comprehension in conversation and readingMild = 1
Moderate word-finding difficulty in speech; cannot name objects in environment; reduced phrase length and/or agrammatical speech and/or reduced comprehension in conversation and reading
15
27.8%
2 Moderate = 2 Moderate to severe impairments in either speech or comprehension; has difficulty communicating thoughts; writing may be slightly more effectiveModerate = 2
Moderate to severe impairments in either speech or comprehension; has difficulty communicating thoughts; writing may be slightly more effective
10
18.5%
3 Severe = 3 Severe comprehension deficits; no intelligible speechSevere = 3
Severe comprehension deficits; no intelligible speech
6
11.1%
99 Not ApplicableNot Applicable 5
9.3%
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.
Back to Catalog

© Metasight, All Rights Reserved.