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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
13144

1g. On a day when the participant drinks alcoholic beverages, how many standard drinks does the participant typically consume? (Standard drink: 12oz of regular beer, 5oz of wine, 1.5oz of distilled spirits) (alcdrinks)

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

Overview

Valid: 60
Range: -
Format:

Questions and instructions

Question pretext
[alcfreqyr]='1' or [alcfreqyr]='2' or [alcfreqyr]='3' or [alcfreqyr]='4'
Categories
Value Category Cases
1 1 or 2 11
18.3%
2 3 to 4 10
16.7%
3 5 to 6 8
13.3%
4 7 to 9 9
15%
5 10 or more 8
13.3%
9 Unknown 14
23.3%
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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