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This is a U.S. Government computer system, which may be accessed and used only for authorized Government business by authorized personnel. Unauthorized access or use of this computer system may subject violators to criminal, civil, and/or administrative action. All information on this computer system may be intercepted, recorded, read, copied, and disclosed by and to authorized personnel for official purposes, including criminal investigations. Such information includes sensitive data encrypted to comply with confidentiality and privacy requirements. Access or use of this computer system by any person, whether authorized or unauthorized, constitutes consent to these terms. There is no right of privacy in this system.

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Alcohol Quantity Frequency (AQF)

0 Shared Subjects

The Alcohol Quantity-Frequency questionnaire asks participants to provide retrospective estimates of their average or greatest daily consumption and the average frequency with which that consumption occurs (https://doi.org/10.1037/0022-006X.53.2.189)
Clinical Assessments
Substance Use
07/23/2021
aqf01
03/05/2024
View Change History
01
Definition
Submission Template
Query Element Name Data Type Size Required Description Value Range Notes Aliases
subjectkey GUID Required The NDAR Global Unique Identifier (GUID) for research subject NDAR*
src_subject_id String 20 Required Subject ID how it's defined in lab/project
interview_date Date Required Date on which the interview/genetic test/sampling/imaging/biospecimen was completed. MM/DD/YYYY
interview_age Integer Required Age in months at the time of the interview/test/sampling/imaging. 0::1440 Age is rounded to chronological month. If the research participant is 15-days-old at time of interview, the appropriate value would be 0 months. If the participant is 16-days-old, the value would be 1 month.
sex String 20 Required Sex of subject at birth M;F; O; NR M = Male; F = Female; O=Other; NR = Not reported
aqf1 Float Recommended Think of the occasion you drank the most this PAST MONTH. How MUCH did you drink? 0::25; 777 0=0 drinks; 1=1 drink; 2=2 drinks; 25=25 or more drinks; 777=refuse to answer bqf1
aqf2 Float Recommended Think of the occasion you drank the most during the PAST MONTH. How many HOURS did you spend drinking on that occasion? 0::10; 777 0=Less than 1 hour; 1=1 hour; 2=2 hours; 10=10+ hours; 777=refuse to answer bqf2
bqf5 Integer Recommended How many days did you drink alcohol during the past month? 0::31 1=1, 2=2, 3=3, 4=4, 5=5, 6=6, 7=7, 8=8, 9=9, 10=10, 11=11, 12=12, 13=13, 14=14, 15=15, 16=16, 17=17, 18=18, 19=19, 20=20, 21=21, 22=22, 23=23, 24=24, 25=25, 26=26, 27=27, 28=28, 29=29, 30=30, 31=31
bqf3 Integer Recommended On a given occasion during the past month, how much alcohol did you typically drink? 0::25 0=0 drinks; 1=1 drink; 2=2 drinks; 25=25 or more drinks
bqf4 Integer Recommended On a given occasion during the past month, how many hours did you spend drinking? 0::10 0=Less than 1 hour; 1=1 hour; 2=2 hours; 10=10+ hours
bweekend Integer Recommended On a given weekend evening during the past month, how much alcohol did you typically drink? 0::25 0=0 drinks; 1=1 drink; 2=2 drinks; 25=25 or more drinks
bweekendhours Integer Recommended On a given weekend evening during the past month, how many hours did you spend drinking? 0::10 0=Less than 1 hour; 1=1 hour; 2=2 hours; 10=10+ hours
qf1_2mo Integer Recommended Think of the occasion you drank the most the past 2 months. How MUCH did you drink? 0::25; -5; -999 0=0 drinks; 1= 1 drink; 25=25 or more drinks; -5=item seen but not answered; -999=data not submitted (incomplete, item not seen)
qf2_2mo Integer Recommended Think of the occasion you drank the most the past 2 months. How many HOURS did you spend drinking on that occasion? 0::10; -5; -999 0=0 hours; 1=1 hour; 10=10 or more hours; -5=item seen but not answered; -999=data not submitted (incomplete, item not seen)
qf3_2mo Integer Recommended How many days of the week did you drink alcohol during the past 2 months? 0::10; -5; -999 0=I did not drink at all; 1=Once a month; 2=Twice a month; 3=Three times a month; 4=Once a week; 5=Twice a week; 6=Three times a week; 7=Four times a week; 8=Five times a week; 9=Six times a week; 10=Every day; -5=item seen but not answered; -999=data not submitted (incomplete, item not seen)
qf4_2mo Integer Recommended During the past 2 months, how often have you had 4 (if female or intersex)/5 (if male) or more drinks in about 2 hours? 0::10; -5; -999 0=Never; 1=Once a month; 2=Twice a month; 3=Three times a month; 4=Once a week; 5=Twice a week; 6=Three times a week; 7=Four times a week; 8=Five times a week; 9=Six times a week; 10=Every day; -5=item seen but not answered; -999=data not submitted (incomplete, item not seen)
qf5_2mo Integer Recommended During the past 2 months, how often have you had 8 (if female or intersex)/10 (if male) or more drinks in about 2 hours? 0::10; -5; -999 0=Never; 1=Once a month; 2=Twice a month; 3=Three times a month; 4=Once a week; 5=Twice a week; 6=Three times a week; 7=Four times a week; 8=Five times a week; 9=Six times a week; 10=Every day; -5=item seen but not answered; -999=data not submitted (incomplete, item not seen)
qf4_1mo Integer Recommended During the past month, how often have you had 4 (if you were assigned female at birth) or 5 (if you were assigned male at birth) or more drinks in about 2 hours? 0::10; -5; -999 0=Never; 1=Once a month; 2=Two times a month; 3=Three times a month; 4=Once a week; 5=Twice a week; 6=Three times a week; 7=Four times a week; 8=Five times a week; 9=Six times a week; 10=Every day; -5=Item seen but not answered; -999=Data not submitted (incomplete, item not seen)
qf5_1mo Integer Recommended During the past month, how often have you had 8 (if you were assigned female at birth) or 10 (if you were assigned male at birth) or more drinks in about 2 hours? 0::10; -5; -999 0=Never; 1=Once a month; 2=Two times a month; 3=Three times a month; 4=Once a week; 5=Twice a week; 6=Three times a week; 7=Four times a week; 8=Five times a week; 9=Six times a week; 10=Every day; -5=Item seen but not answered; -999=Data not submitted (incomplete, item not seen)
timepoint_label String 50 Recommended Timepoint/visit label
qf3_1mo Integer Recommended How many days of the week did you drink alcohol during the past month? 0::10; -5; -999 0=I did not drink at all; 1=Once a month; 2=Two times a month; 3=Three times a month; 4=Once a week; 5=Twice a week; 6=Three times a week; 7=Four times a week; 8=Five times a week; 9=Six times a week; 10=Every day; -5=Item seen but not answered; -999=Data not submitted (incomplete, item not seen)
Data Structure

This page displays the data structure defined for the measure identified in the title and structure short name. The table below displays a list of data elements in this structure (also called variables) and the following information:

  • Element Name: This is the standard element name
  • Data Type: Which type of data this element is, e.g. String, Float, File location.
  • Size: If applicable, the character limit of this element
  • Required: This column displays whether the element is Required for valid submissions, Recommended for valid submissions, Conditional on other elements, or Optional
  • Description: A basic description
  • Value Range: Which values can appear validly in this element (case sensitive for strings)
  • Notes: Expanded description or notes on coding of values
  • Aliases: A list of currently supported Aliases (alternate element names)
  • For valid elements with shared data, on the far left is a Filter button you can use to view a summary of shared data for that element and apply a query filter to your Cart based on selected value ranges

At the top of this page you can also:

  • Use the search bar to filter the elements displayed. This will not filter on the Size of Required columns
  • Download a copy of this definition in CSV format
  • Download a blank CSV submission template prepopulated with the correct structure header rows ready to fill with subject records and upload

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