Uniform Data Set version 4
UDSv4 - Template

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

11871

16. Manual Data Entry of Total GDS Score (gds)

Valid: 56

Mean: 15.59

var_std: 4.00

Range: -

Format: Numeric

Question pretext

[modeb6]<>'0'

Notes

Field Note : <i>(max score=15; did not complete=88)</i>

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