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

16102

(C2 Q7b/C2T Q8b) Vegetables: Total number of vegetables named in 60 seconds (veg)

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

Overview

Valid: 57

Mean: 65.83

var_std: 22.13

Range: -

Format: Numeric

Others

Notes

Field Note : (0-77, 95-98)

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