Loading...

National Institute of Mental Health Data Archive (NDA) Sign In
National Institute of Mental Health Data Archive (NDA) Sign In
NDA

Success! An email is on its way!

Please check your email to complete the linking process. The link you receive is only valid for 30 minutes.

Check your spam or junk folder if you do not receive the email in the next few minutes.

Warning Notice 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.
Create or Link an Existing NDA Account
NIMH Data Archive (NDA) Sign In or Create An Account
Update Password

You have logged in with a temporary password. Please update your password. Passwords must contain 8 or more characters and must contain at least 3 of the following types of characters:

  • Uppercase
  • Lowercase
  • Numbers
  • Special Characters limited to: %,_,!,@,#,$,-,%,&,+,=,),(,*,^,:,;

Subscribe to our mailing list

Mailing List(s)
Email Format

You are now leaving the NIMH Data Archive (NDA) web site to go to:

Click on the address above if the page does not change within 10 seconds.

Disclaimer

NDA is not responsible for the content of this external site and does not monitor other web sites for accuracy.

Accept Terms
Data Access Terms - Decline Terms

Are you sure you want to cancel? This will decline terms and you will not be authorized for access.

Daily Drinking Questionnaire

0 Shared Subjects

N/A
Clinical Assessments
Substance Use
07/08/2020
ddq01
04/04/2024
View Change History
01
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 gender
ddq1_monday Integer Recommended Number of drinks on typical Monday 0 :: 100 ddq90_drmon, ddq_q1_1
ddq2_tuesday Integer Recommended Number of drinks on typical Tuesday 0 :: 100 ddq90_drtu, ddq_q1_2
ddq3_wednesday Integer Recommended Number of drinks on typical Wednesday 0 :: 100 ddq90_drwed, ddq_q1_3
ddq4_thursday Integer Recommended Number of drinks on typical Thursday 0 :: 100 ddq90_drthu, ddq_q1_4
ddq5_friday Integer Recommended Number of drinks on typical Friday 0 :: 100 ddq90_drfri, ddq_q1_5
ddq6_saturday Integer Recommended Number of drinks on typical Saturday 0 :: 100 ddq90_drsat, ddq_q1_6
ddq7_sunday Integer Recommended Number of drinks on typical Sunday 0 :: 100 ddq90_drsun, ddq_q1_7
ddq8_total Integer Recommended Total number of drinks in typical week 0 :: 100
ddqb1 Float Recommended You said you typically have drink(s) on a typical MONDAY. Over how many HOURS? 0::24 ddq90_hrmon, ddq_q2_1
ddqb2 Float Recommended You said you typically have drink(s) on a typical TUESDAY. Over how many HOURS? 0::24 ddq90_hrtue, ddq_q2_2
ddqb3 Float Recommended You said you typically have drink(s) on a typical WEDNESDAY. Over how many HOURS? 0::24 ddq90_hrwed, ddq_q2_3
ddqb4 Float Recommended You said you typically have drink(s) on a typical THURSDAY. Over how many HOURS? 0::24 ddq90_hrthu, ddq_q2_4
ddqb5 Float Recommended You said you typically have drink(s) on a typical FRIDAY. Over how many HOURS? 0::24 ddq90_hrfri, ddq_q2_5
ddqb6 Float Recommended You said you typically have drink(s) on a typical SATURDAY. Over how many HOURS? 0::24 ddq90_hrsat, ddq_q2_6
ddqb7 Float Recommended You said you typically have drink(s) on a typical SUNDAY. Over how many HOURS? 0::24 ddq90_hrsun, ddq_q2_7
ddq_q4_1 Float Recommended Number of hours drinking on Monday in the heaviest drinking week in the last 30 days 0::24; -555 0.1= 1 shot; -555= Prefer not to answer ddq30_hrmon
ddq_q4_2 Float Recommended Number of hours drinking on Tuesday in the heaviest drinking week in the last 30 days 0::24; -555 0.1= 1 shot; -555= Prefer not to answer ddq30_hrtue
ddq_q4_3 Float Recommended Number of hours drinking on Wednesday in the heaviest drinking week in the last 30 days 0::24; -555 0.1= 1 shot; -555= Prefer not to answer ddq30_hrwed
ddq_q4_4 Float Recommended Number of hours drinking on Thursday in the heaviest drinking week in the last 30 days 0::24; -555 0.1= 1 shot; -555= Prefer not to answer ddq30_hrthu
ddq_q4_5 Float Recommended Number of hours drinking on Friday in the heaviest drinking week in the last 30 days 0::24; -555 0.1= 1 shot; -555= Prefer not to answer ddq30_hrfri
ddq_q4_6 Float Recommended Number of hours drinking on Saturday in the heaviest drinking week in the last 30 days 0::24; -555 0.1= 1 shot; -555= Prefer not to answer ddq30_hrsat
ddq_q4_7 Float Recommended Number of hours drinking on Sunday in the heaviest drinking week in the last 30 days 0::24; -555 0.1= 1 shot; -555= Prefer not to answer ddq30_hrsun
ddq_q3_1 Float Recommended Number of Drinks on Monday in the heaviest drinking week in the last 30 days 0::31 31 = 31 or more ddq30_drmon
ddq_q3_2 Float Recommended Number of Drinks on Tuesday in the heaviest drinking week in the last 30 days 0::31 31 = 31 or more ddq30_drtu
ddq_q3_3 Float Recommended Number of Drinks on Wednesday in the heaviest drinking week in the last 30 days 0::31 31 = 31 or more ddq30_drwed
ddq_q3_4 Float Recommended Number of Drinks on Thursday in the heaviest drinking week in the last 30 days 0::31 31 = 31 or more ddq30_drthu
ddq_q3_5 Float Recommended Number of Drinks on Friday in the heaviest drinking week in the last 30 days 0::31 31 = 31 or more ddq30_drfri
ddq_q3_6 Float Recommended Number of Drinks on Saturday in the heaviest drinking week in the last 30 days 0::31 31 = 31 or more ddq30_drsat
ddq_q3_7 Float Recommended Number of Drinks on Sunday in the heaviest drinking week in the last 30 days 0::31 31 = 31 or more ddq30_drsun
ddqb8 Integer Recommended Think of all of the times in THE PAST THREE MONTH (90 DAYS) when you had something to drink. How often have you had some kind of beverage containing alcohol? 0::8 0 = Didn't drink at all in the past 3 months; 1 = Once in the past 3 months; 2 = 2-3 times in the past 3 months; 3 = About once or twice a month; 4 = Once or twice a week; 5 = 3-4 times a week; 6 = Nearly every day; 7 = Every day; 8 = I prefer not to answer
ddqb9 Integer Recommended IN THE PAST 3 MONTHS (90 DAYS) when you were drinking alcohol, how many drinks did you usually have on any ONE occasion? 0::11 0 = Didn't drink in the past 3 months; 1 = Less than one drink; 2 = 1 drink; 3 = 2 drinks; 4 = 3 drinks; 5 = 4 drinks; 6 = 5 drinks; 7 = 6 drinks; 8 = 7 drinks; 9 = 8 drinks; 10 = 9+ drinks; 11 = I prefer not to answer
ddqb10 Integer Recommended FOR FEMALES: IN THE PAST 3 MONTHS (90 DAYS), how many times have you had 4 or more drinks at a single sitting, either of beer, wine, wine coolers, liquor, or some combination of these? 0::8 0 = Didn't drink 4+ drinks in a single sitting; 1 = Once in the past 3 months; 2 = 2-3 times in the past 3 months; 3 = About once or twice a month; 4 = Once or twice a week; 5 = 3-4 times a week; 6 = Nearly every day; 7 = Every day; 8 = I prefer not to answer
ddqb11 Integer Recommended FOR MALES: IN THE PAST 3 MONTHS (90 DAYS), how many times have you had 5 or more drinks at a single sitting, either of beer, wine, wine coolers, liquor, or some combination of these? 0::8 0 = Didn't drink 5+ drinks in a single sitting; 1 = Once in the past 3 months; 2 = 2-3 times in the past 3 months; 3 = About once or twice a month; 4 = Once or twice a week; 5 = 3-4 times a week; 6 = Nearly every day; 7 = Every day; 8 = I prefer not to answer
ddqb12 Integer Recommended IN THE PAST 3 MONTHS (90 DAYS), how often would you say that you consumed enough alcohol to feel drunk or intoxicated? 0::8 0 = Haven't gotten drunk in the past 3 months; 1 = Once in the past 3 months; 2 = 2-3 times in the past 3 months; 3 = About once or twice a month; 4 = Once or twice a week; 5 = 3-4 times a week; 6 = Nearly every day; 7 = Every day; 8 = I prefer not to answer
ddqb13 Integer Recommended IN THE PAST 3 MONTHS (90 DAYS), what is the largest number of drinks you have consumed on one occasion? 0::100
ddqc Integer Recommended Select the statement that best describes your typical consumption of alcoholic beverages 0::3 0 = I have an average of 12 or more drinks per week; 1 = I have on average at least 4 but not more than 11 drinks per week; 2 = I have fewer than 1 drink per month; 3 = I do not drink at all
hed_m Integer Recommended Number of days consumed?five or more?standard drinks on?one drinking occasion? (in the past 30 days) (Displayed to Sex = Male or Intersex) 0::30
hed_f Integer Recommended Number of days consumed?four or more?standard drinks on?one drinking occasion? (in the past 30 days) (Displayed to Sex = Female) 0::30
hid_m Integer Recommended Number of days consumed?ten or more?standard drinks in a single sitting (e.g., one night)? (in the past 30 days) (Displayed to Sex = Male or Intersex) 0::30
hid_f Integer Recommended Number of days consumed?eight or more?standard drinks in a single sitting (e.g., one night)? (in the past 30 days) (Displayed to Sex = Female) 0::30
ddqb1_2month Integer Recommended You said you typically have [ddqa1_2month] drink(s) on a typical MONDAY. Over how many HOURS? 0::12; -5; -9; -999 0 = 0 hours; 1 = 1 hour; 12 = 12 or more hours; -5 = Item seen but not answered; -9 = Item hidden by show-if logic; -999 = Data not submitted (incomplete)
ddqb2_2month Integer Recommended You said you typically have [ddqa2_2month] drink(s) on a typical TUESDAY. Over how many HOURS? 0::12; -5; -9; -999 0 = 0 hours; 1 = 1 hour; 12 = 12 or more hours; -5 = Item seen but not answered; -9 = Item hidden by show-if logic; -999 = Data not submitted (incomplete)
ddqb3_2month Integer Recommended You said you typically have [ddqa3_2month) drink(s) on a typical WEDNESDAY. Over how many HOURS? 0::12; -5; -9; -999 0 = 0 hours; 1 = 1 hour; 12 = 12 or more hours; -5 = Item seen but not answered; -9 = Item hidden by show-if logic; -999 = Data not submitted (incomplete)
ddqb4_2month Integer Recommended You said you typically have [ddqa4_2month] drink(s) on a typical THURSDAY. Over how many HOURS? 0::12; -5; -9; -999 0 = 0 hours; 1 = 1 hour; 12 = 12 or more hours; -5 = Item seen but not answered; -9 = Item hidden by show-if logic; -999 = Data not submitted (incomplete)
ddqb5_2month Integer Recommended You said you typically have [ddqa5_2month] drink(s) on a typical FRIDAY. Over how many HOURS? 0::12; -5; -9; -999 0 = 0 hours; 1 = 1 hour; 12 = 12 or more hours; -5 = Item seen but not answered; -9 = Item hidden by show-if logic; -999 = Data not submitted (incomplete)
ddqb6_2month Integer Recommended You said you typically have [ddqa6_2month] drink(s) on a typical SATURDAY. Over how many HOURS? 0::12; -5; -9; -999 0 = 0 hours; 1 = 1 hour; 12 = 12 or more hours; -5 = Item seen but not answered; -9 = Item hidden by show-if logic; -999 = Data not submitted (incomplete)
ddqb7_2month Integer Recommended You said you typically have [ddqa7_2month] drink(s) on a typical SUNDAY. Over how many HOURS? 0::12; -5; -9; -999 0 = 0 hours; 1 = 1 hour; 12 = 12 or more hours; -5 = Item seen but not answered; -9 = Item hidden by show-if logic; -999 = Data not submitted (incomplete)
ddqc1 Integer Recommended On average, during the past 2 months, how often have you consumed alcohol? 0::11; -5; -999 0 = Never; 1 = Less than once per month; 2 = Once a month; 3 = Two times a month; 4 = Three times a month; 5 = Once a week; 6 = Twice a week; 7 = Three times a week; 8 = Four times a week; 9 = Five times a week; 10 = Six times a week; 11 = Every day; -5 = Item seen but not answered; -999 = Data not submitted (incomplete, item not seen)
ddqc2 Integer Recommended During the past 2 months, when you have consumed alcohol, how many drinks on average did you typically consume on a given occasion? 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)
ddqc3 Integer Recommended During the past 2 months, when you have consumed alcohol, over how many hours on average did you typically spend drinking on a given 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)
ddqc4 Integer Recommended When you used alcohol in the past 2 months, how intoxicated did you get? 0::4; -5; -999 0 = Not at all intoxicated; 1 = A little; 2 = Moderately; 3 = Very; 4 = Extremely intoxicated; -5 = Item seen but not answered; -999 = Data not submitted (incomplete, item not seen)
ddqa1_2month Integer Recommended Consider a typical week during the past 2 months. Number of drinks on typical Monday 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)
ddqa2_2month Integer Recommended Consider a typical week during the past 2 months. Number of drinks on typical Tuesday 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)
ddqa3_2month Integer Recommended Consider a typical week during the past 2 months. Number of drinks on typical Wednesday 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)
ddqa4_2month Integer Recommended Consider a typical week during the past 2 months. Number of drinks on typical Thursday 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)
ddqa5_2month Integer Recommended Consider a typical week during the past 2 months. Number of drinks on typical Friday 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)
ddqa6_2month Integer Recommended Consider a typical week during the past 2 months. Number of drinks on typical Saturday 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)
ddqa7_2month Integer Recommended Consider a typical week during the past 2 months. Number of drinks on typical Sunday 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)
ddq1_sun_mo Float Recommended Number of drinks in the past 30 days on (Sunday) 0 :: 100
ddq2_mon_mo Float Recommended Number of drinks in the past 30 days on (Monday) 0 :: 100
ddq3_tues_mo Float Recommended Number of drinks in the past 30 days on (Tuesday) 0 :: 100
ddq4_wed_mo Float Recommended Number of drinks in the past 30 days on (Wednesday) 0 :: 100
ddq5_thurs_mo Float Recommended Number of drinks in the past 30 days on (Thursday) 0 :: 100
ddq6_fri_mo Float Recommended Number of drinks in the past 30 days on (Friday) 0 :: 100
ddq7_sat_mo Float Recommended Number of drinks in the past 30 days on (Saturday) 0 :: 100
ddq_typwk_1mo_mon Integer Recommended Please respond according to your typical or average drinking during a typical week in the past month. In the grid below, please indicate the number of drinks you consumed each day of the week during a typical week in the past month. Monday Number of drinks
ddq_typwk_1mo_tues Integer Recommended Please respond according to your typical or average drinking during a typical week in the past month. In the grid below, please indicate the number of drinks you consumed each day of the week during a typical week in the past month. Tuesday Number of drinks
ddq_typwk_1mo_wed Integer Recommended Please respond according to your typical or average drinking during a typical week in the past month. In the grid below, please indicate the number of drinks you consumed each day of the week during a typical week in the past month. Wednesday Number of drinks
ddq_typwk_1mo_thurs Integer Recommended Please respond according to your typical or average drinking during a typical week in the past month. In the grid below, please indicate the number of drinks you consumed each day of the week during a typical week in the past month. Thursday Number of drinks
ddq_typwk_1mo_fri Integer Recommended Please respond according to your typical or average drinking during a typical week in the past month. In the grid below, please indicate the number of drinks you consumed each day of the week during a typical week in the past month. Friday Number of drinks
ddq_typwk_1mo_sat Integer Recommended Please respond according to your typical or average drinking during a typical week in the past month. In the grid below, please indicate the number of drinks you consumed each day of the week during a typical week in the past month. Saturday Number of drinks
ddq_typwk_1mo_sun Integer Recommended Please respond according to your typical or average drinking during a typical week in the past month. In the grid below, please indicate the number of drinks you consumed each day of the week during a typical week in the past month. Sunday Number of drinks
equip_alc01 Integer Recommended Since the time you woke up to the time you went to sleep yesterday, did you drink alcohol? 0;1;-5;-999 0=No; 1=Yes; -5=Item seen but not answered; -999=Data not submitted (not seen, incomplete)
equip_alc02 Integer Recommended How many drinks did you consume yesterday? 1::15;-5;-9;-999 1=1 drink; 15=15 or more drinks; -5=Item seen but not answered; -9=Item hidden by show-if logic; -999=Data not submitted (not seen incomplete)
equip_alc03 Integer Recommended How many hours did you spend drinking yesterday? 1::12;-5;-9;-999 1=1 hour; 12=12 or more hours; -5=Item seen but not answered; -9=Item hidden by show-if logic; -999=Data not submitted (not seen incomplete)
equip_alc04 Integer Recommended Were you alone the entire time you were drinking? 0;1;-5;-9;-999 0=No; 1=Yes; -5=Item seen but not answered; -9=Item hidden by show-if logic; -999=Data not submitted (not seen incomplete)
equip_alc05 Integer Recommended How familiar are you with the locations you were at yesterday while drinking alcohol? 0::4;-5;-9;-999 0=Not at all familiar; 1=Slightly familiar; 2=Somewhat familiar; 3=Moderately familiar; 4=Very familiar; -5=Item seen but not answered; -9=Item hidden by show-if logic; -999=Data not submitted (not seen incomplete)
equip_alc06 Integer Recommended How familiar are you with the people you were with yesterday while drinking alcohol? 0::4;-5;-9;-999 0=Not at all familiar; 1=Slightly familiar; 2=Somewhat familiar; 3=Moderately familiar; 4=Very familiar; -5=Item seen but not answered; -9=Item hidden by show-if logic; -999=Data not submitted (not seen incomplete)
timepoint_label String 50 Recommended Timepoint/visit label
maxsingledrink Integer Recommended Today, what is the maximum amount of money you would pay for a single standard drink? 0::30 Amount of money
dd_k Float Recommended Primary Outcome = k value
ed50 Float Recommended The delay that is effective in discounting the subjective value of the delayed reinforcer by 50% 0::10000
diary_5 Integer Recommended How many standard drinks of alcohol did you consume yesterday (a standard drink is a 12-ounce beer, 5-ounce glass of wine, or a 1-ounce glass of liquor)? 0::25 Number of drinks; 25= 25 or more
alc_use_perc Integer Recommended Think about your day yesterday, how much of your day did you spend doing activities while you were drinking or experiencing the effects of alcohol? 0::100 0 = None; 100 = All day
alc_use_enjoy Integer Recommended Overall, how much did you enjoy the activities that included alcohol use yesterday? 0::100 0 = Not enjoyable; 100 = Very enjoyable
alc_free_perc Integer Recommended Still thinking about your day yesterday, what percent of the day did you spend doing activities without alcohol use? 0::100 0 = None; 100 = All day
alc_free_enjoy Integer Recommended Overall, how much did you enjoy the alcohol-free activities you engaged in yesterday? 0::100 0 = Not enjoyable; 100 = Very enjoyable
costfree Integer Recommended Today, if standard drinks were ''free'' (cost $0.00) how many would you have? 0::25 Number of drinks
maxtotal Integer Recommended Today, what is the maximum amount of money you would spend on drinking (approximately)? 0::100 Amount of money
ddq2_m Integer Recommended Consider a typical week during the last three months. Over how many hours do you drink the above number of drinks? (Monday) 0::24 Number of hours
ddq2_t Integer Recommended Consider a typical week during the last three months. Over how many hours do you drink the above number of drinks? (Tuesday) 0::24 Number of hours
ddq2_w Integer Recommended Consider a typical week during the last three months. Over how many hours do you drink the above number of drinks? (Wednesday) 0::24 Number of hours
ddq2_th Integer Recommended Consider a typical week during the last three months. Over how many hours do you drink the above number of drinks? (Thursday) 0::24 Number of hours
ddq2_f Integer Recommended Consider a typical week during the last three months. Over how many hours do you drink the above number of drinks? (Friday) 0::24 Number of hours
ddq2_sa Integer Recommended Consider a typical week during the last three months. Over how many hours do you drink the above number of drinks? (Saturday) 0::24 Number of hours
ddq2_su Integer Recommended Consider a typical week during the last three months. Over how many hours do you drink the above number of drinks? (Sunday) 0::24 Number of hours
ddq3 Integer Recommended On average, during the last three months, how often have you consumed alcohol? 0::11 0 = Never; 1 = Less than once per month; 2 = Once a month; 3 = Two times a month; 4 = Three times a month; 5 = Once a week; 6 = Twice a week; 7 = Three times a week; 8 = Four times a week; 9 = Five times a week; 10 = Six times a week; 11 = Every day
ddq4 Integer Recommended During the last three months, when you have consumed alcohol, how many drinks on average did you typically consume on a given occasion? 0::25 Number of drinks. 25 = 25 or more drinks
ddq1_m Integer Recommended Consider a typical week during the last three months. How much alcohol, on average (measured in number of drinks), do you drink on each day of a typical week? (Monday) Number of drinks
ddq1_t Integer Recommended Consider a typical week during the last three months. How much alcohol, on average (measured in number of drinks), do you drink on each day of a typical week? (Tuesday) Number of drinks
ddq1_w Integer Recommended Consider a typical week during the last three months. How much alcohol, on average (measured in number of drinks), do you drink on each day of a typical week? (Wednesday) Number of drinks
ddq1_th Integer Recommended Consider a typical week during the last three months. How much alcohol, on average (measured in number of drinks), do you drink on each day of a typical week? (Thursday) Number of drinks
ddq1_f Integer Recommended Consider a typical week during the last three months. How much alcohol, on average (measured in number of drinks), do you drink on each day of a typical week? (Friday) Number of drinks
ddq1_sa Integer Recommended Consider a typical week during the last three months. How much alcohol, on average (measured in number of drinks), do you drink on each day of a typical week? (Saturday) Number of drinks
ddq1_su Integer Recommended Consider a typical week during the last three months. How much alcohol, on average (measured in number of drinks), do you drink on each day of a typical week? (Sunday) Number of drinks
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

Please email the The NDA Help Desk with any questions.