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

15833

7b. Trial 1 -- Intrusions (loc_cerad1int_c2t)

Valid: 38

Mean: 2.22

var_std: 1.51

Range: -

Format: Numeric

Question pretext

[loc_cerad1rec_c2t]<95 and [loc_cerad1rec_c2t]<>""

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