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NIMH Data Archive
NDA ABCD CCF OAI NIAAADA AMP SCZ HEAL

Timeline Followback Method Assessment

127 Shared Subjects

N/A
Clinical Assessments
Substance Use
11/24/2015
tlfb01
03/27/2024
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 id, record_id, subject_id
interview_date Date Required Date on which the interview/genetic test/sampling/imaging/biospecimen was completed. MM/DD/YYYY tfma_date
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
Query dyscov_tlfb Integer Recommended Days Covered? 0 :: 90 dyscov_tlfb_01
Query dysuse_tlfb Integer Recommended Days of Alcohol Use? dysuse_tlfb_01
Query amtgrms_tlfb Integer Recommended Amount of Alcohol in grams?
Query amtstd_tlfb Integer Recommended Amount of Standard Drinks? alcohol_number_of_standard, amtstd_tlfb_01
Query hvydys_tlfb Integer Recommended Heavy Drinking Days?
Query amtspnt_tlfb Integer Recommended Amount of money spent on alcohol?
Query week Float Recommended Week in level/study 99=week 10-week 14
Query visit String 60 Recommended Visit name visit_01
version_form String 121 Recommended Form used/assessment name
cmstrtdt Date Recommended Start Date cmstrtdt_01
cmstpdt Date Recommended Stop Date cmstpdt_01
specify_other String 100 Recommended What other substances do you use?
Query baseline_i_002_11 Integer Recommended Which of these drugs, if any, have you used (not for medical purposes)? Other drug not listed above 0;1; -888; -999 0=Unchecked; 1=Checked; -888=Not Applicable; -999=Missing; other_drug
Query otdrg Integer Recommended other drugs 0;1;-7 0=No; 1=Yes; -7=Refused other_drug2
otdrug String 50 Recommended Other drug specify_other2
Query have_any_illicit_substance Integer Recommended Have any illicit substances or alcohol been used on this day? 0::1 0= No; 1= Yes
Query cannabinoids_marijuana Integer Recommended If substances/alcohol used on day specified: Cannabinoids/Marijuana 0::1 0= No; 1= Yes
Query crack Integer Recommended If substances/alcohol used on day specified: Crack 0::1 0= No; 1= Yes
Query amphetamine_type_stimulant Integer Recommended If substances/alcohol used on day specified: Amphetamine-type stimulants 0::1 0= No; 1= Yes
Query opioid_analgesics_includin Integer Recommended If substances/alcohol used on day specified: Opioid analgesics, including methadone 0::1 0= No; 1= Yes
Query heroin1 Integer Recommended If substances/alcohol used on day specified: Heroin 0::1 0= No; 1= Yes
Query hallucinogens_including_md Integer Recommended If substances/alcohol used on day specified: Hallucinogens, including MDMA/ecstasy 0::1 0= No; 1= Yes
Query sedatives_and_hypnotics_ex Integer Recommended If substances/alcohol used on day specified: Sedatives and hypnotics, excluding Benzodiazepine 0::1 0= No; 1= Yes
Query cocaine1 Integer Recommended If substances/alcohol used on day specified: Cocaine 0::1 0= No; 1= Yes cocaine
Query benzodiazepines1 Integer Recommended If substances/alcohol used on day specified: Benzodiazepines 0::1 0= No; 1= Yes benzodiazepines
Query inhalants1 Integer Recommended If substances/alcohol used on day specified: Inhalants 0::1 0= No; 1= Yes inhalants
site String 101 Recommended Site Study Site
tobacco_list_tlfb3 Integer Recommended Did you use any of the following tobacco products in the past 28 days? hookah 0;1 0=No; 1= Yes
tobacco_list_tlfb4 Integer Recommended Did you use any of the following tobacco products in the past 28 days? little cigars 0;1 0=No; 1= Yes
tobacco_list_tlfb5 Integer Recommended Did you use any of the following tobacco products in the past 28 days? chew/dip 0;1 0=No; 1= Yes
tobacco_list_tlfb6 Integer Recommended Did you use any of the following tobacco products in the past 28 days? snus 0;1 0=No; 1= Yes
tobacco_list_tlfb7 Integer Recommended Did you use any of the following tobacco products in the past 28 days? bidis 0;1 0=No; 1= Yes
tobacco_list_tlfb8 Integer Recommended Did you use any of the following tobacco products in the past 28 days? e-cigarettes 0;1 0=No; 1= Yes
tobacco_list_tlfb9 Integer Recommended Did you use any of the following tobacco products in the past 28 days? oral nicotine pouches 0;1 0=No; 1= Yes
tobacco_list_tlfb10 Integer Recommended Did you use any of the following tobacco products in the past 28 days? other 0;1 0=No; 1= Yes
tobacco_list_tlfb11 Integer Recommended Did you use any of the following tobacco products in the past 28 days? none 0;1 0=No; 1= Yes
juul_tlfb Integer Recommended If yes, approximately how many days out of the last 28 days did you use juul? Number of Days
cigar_tlfb Integer Recommended If yes, approximately how many days out of the last 28 days did you use cigars? Number of Days
hookah_tlfb Integer Recommended If yes, approximately how many days out of the last 28 days did you use hookah? Number of Days
littlecigar_tlfb Integer Recommended If yes, approximately how many days out of the last 28 days did you use little cigars? Number of Days
chew_dip_tlfb Integer Recommended If yes, approximately how many days out of the last 28 days did you use chew/dip? Number of Days
snus_tlfb Integer Recommended If yes, approximately how many days out of the last 28 days did you use snus? Number of Days
bidis_tlfb Integer Recommended If yes, approximately how many days out of the last 28 days did you use bidis? Number of Days
ecigarette_tlfb Integer Recommended If yes, approximately how many days out of the last 28 days did you use e-cigarettes? Number of Days
nicotine_pouch_tlfb Integer Recommended If yes, approximately how many days out of the last 28 days did you use oral nicotine pouches? Number of Days
other_product_name_tlfb String 100 Recommended What other nicotine products did you utilize in the past 28 days?
other_use_tlfb Integer Recommended If yes, approximately how many days out of the last 28 days did you use the other product? Number of Days
cigarette_tlfb Integer Recommended Did you smoke any cigarettes in the past 28 days? 0;1 0=No; 1= Yes
cigarettes_w6 Integer Recommended (Week 6) Did you smoke any cigarettes in the past 42 days? 0;1 0=No; 1= Yes
cigarette_amount_w6 Integer Recommended (Week 6) If yes, approximately how many days out of the last 42 days did you smoke a cigarette? Number of Days
daily_cigarette_w6 Integer Recommended (Week 6) On days that you smoked a cigarette, how many cigarettes did you smoke per day on average? Number of Items
marijuana_w6 Integer Recommended (Week 6) Did you use marijuana/cannabis in the past 42 day? 0;1 0=No; 1= Yes
marijuana_amount_intake_v2 Integer Recommended (Week 6) If yes, approximately how many days out of the last 42 days did you use marijuana/cannabis? Number of Days
tobacco_list_w6_01 Integer Recommended (Week 6) Did you use any of the following tobacco products in the past 42 days? juul 0;1 0=No; 1= Yes
tobacco_list_w6_02 Integer Recommended (Week 6) Did you use any of the following tobacco products in the past 42 days? cigars 0;1 0=No; 1= Yes
tobacco_list_w6_03 Integer Recommended (Week 6) Did you use any of the following tobacco products in the past 42 days? hookah 0;1 0=No; 1= Yes
tobacco_list_w6_04 Integer Recommended (Week 6) Did you use any of the following tobacco products in the past 42 days? little cigars 0;1 0=No; 1= Yes
tobacco_list_w6_05 Integer Recommended (Week 6) Did you use any of the following tobacco products in the past 42 days? chew/dip 0;1 0=No; 1= Yes
cigarette_amount_tlfb Integer Recommended If yes, approximately how many days out of the last 28 days did you smoke a cigarette? Number of Days
tobacco_list_w6_06 Integer Recommended (Week 6) Did you use any of the following tobacco products in the past 42 days? snus 0;1 0=No; 1= Yes
tobacco_list_w6_07 Integer Recommended (Week 6) Did you use any of the following tobacco products in the past 42 days? bidis 0;1 0=No; 1= Yes
tobacco_list_w6_08 Integer Recommended (Week 6) Did you use any of the following tobacco products in the past 42 days? e-cigarettes 0;1 0=No; 1= Yes
tobacco_list_w6_09 Integer Recommended (Week 6) Did you use any of the following tobacco products in the past 42 days? oral nicotine pouches 0;1 0=No; 1= Yes
tobacco_list_w6_10 Integer Recommended (Week 6) Did you use any of the following tobacco products in the past 42 days? other 0;1 0=No; 1= Yes
tobacco_list_w6_11 Integer Recommended (Week 6) Did you use any of the following tobacco products in the past 42 days? none 0;1 0=No; 1= Yes
juul_w6 Integer Recommended (Week 6) If yes, approximately how many days out of the last 42 days did you use juul? Number of Days
cigar_w6 Integer Recommended (Week 6) If yes, approximately how many days out of the last 42 days did you use cigars? Number of Days
hookah_w6 Integer Recommended (Week 6) If yes, approximately how many days out of the last 42 days did you use hookah? Number of Days
littlecigar_w6 Integer Recommended (Week 6) If yes, approximately how many days out of the last 42 days did you use little cigars? Number of Days
daily_cigarette_tlfb Integer Recommended On days that you smoked a cigarette, how many cigarettes did you smoke per day on average? Number of Items
chew_dip_w6 Integer Recommended (Week 6) If yes, approximately how many days out of the last 42 days did you use chew/dip? Number of Days
snus_w6 Integer Recommended (Week 6) If yes, approximately how many days out of the last 42 days did you use snus? Number of Days
bidis_w6 Integer Recommended (Week 6) If yes, approximately how many days out of the last 42 days did you use bidis? Number of Days
ecigarette_w6 Integer Recommended (Week 6) If yes, approximately how many days out of the last 42 days did you use e-cigarettes? Number of Days
nicotine_pouch_w6 Integer Recommended (Week 6) If yes, approximately how many days out of the last 42 days did you use oral nicotine pouches? Number of Days
other_product_name_w6 String 100 Recommended (Week 6) What other nicotine products did you utilize in the past 42 days?
other_use_w6 Integer Recommended (Week 6) If yes, approximately how many days out of the last 42 days did you use the other product? Number of Days
cigarettes_w10 Integer Recommended (Week 10) Did you smoke any cigarettes in the past 28 days? 0;1 0=No; 1= Yes
cigarette_amount_w10 Integer Recommended (Week 10) If yes, approximately how many days out of the last 28 days did you smoke a cigarette? Number of Days
daily_cigarette_w10 Integer Recommended (Week 10) On days that you smoked a cigarette, how many cigarettes did you smoke per day on average? Number of Items
marijuana_tlfb Integer Recommended Did you use marijuana/cannabis in the past 28 day? 0;1 0=No; 1= Yes
marijuana_w10 Integer Recommended (Week 10) Did you use marijuana/cannabis in the past 28 day? 0;1 0=No; 1= Yes
marijuana_amt_intake_w10 Integer Recommended (Week 10) If yes, approximately how many days out of the last 28 days did you use marijuana/cannabis? Number of Days
tobacco_list_w10_01 Integer Recommended (Week 10) Did you use any of the following tobacco products in the past 28 days? juul 0;1 0=No; 1= Yes
tobacco_list_w10_02 Integer Recommended (Week 10) Did you use any of the following tobacco products in the past 28 days? cigars 0;1 0=No; 1= Yes
tobacco_list_w10_03 Integer Recommended (Week 10) Did you use any of the following tobacco products in the past 28 days? hookah 0;1 0=No; 1= Yes
tobacco_list_w10_04 Integer Recommended (Week 10) Did you use any of the following tobacco products in the past 28 days? little cigars 0;1 0=No; 1= Yes
tobacco_list_w10_05 Integer Recommended (Week 10) Did you use any of the following tobacco products in the past 28 days? chew/dip 0;1 0=No; 1= Yes
tobacco_list_w10_06 Integer Recommended (Week 10) Did you use any of the following tobacco products in the past 28 days? snus 0;1 0=No; 1= Yes
tobacco_list_w10_07 Integer Recommended (Week 10) Did you use any of the following tobacco products in the past 28 days? bidis 0;1 0=No; 1= Yes
tobacco_list_w10_08 Integer Recommended (Week 10) Did you use any of the following tobacco products in the past 28 days? e-cigarettes 0;1 0=No; 1= Yes
marijuana_amount_intake Integer Recommended If yes, approximately how many days out of the last 28 days did you use marijuana/cannabis? Number of Days
tobacco_list_w10_09 Integer Recommended (Week 10) Did you use any of the following tobacco products in the past 28 days? oral nicotine pouches 0;1 0=No; 1= Yes
tobacco_list_w10_10 Integer Recommended (Week 10) Did you use any of the following tobacco products in the past 28 days? other 0;1 0=No; 1= Yes
tobacco_list_w10_11 Integer Recommended (Week 10) Did you use any of the following tobacco products in the past 28 days? none 0;1 0=No; 1= Yes
juul_w10 Integer Recommended (Week 10) If yes, approximately how many days out of the last 28 days did you use juul? Number of Days
cigar_w10 Integer Recommended (Week 10) If yes, approximately how many days out of the last 28 days did you use cigars? Number of Days
hookah_w10 Integer Recommended (Week 10) If yes, approximately how many days out of the last 28 days did you use hookah? Number of Days
littlecigar_w10 Integer Recommended (Week 10) If yes, approximately how many days out of the last 28 days did you use little cigars? Number of Days
chew_dip_w10 Integer Recommended (Week 10) If yes, approximately how many days out of the last 28 days did you use chew/dip? Number of Days
snus_w10 Integer Recommended (Week 10) If yes, approximately how many days out of the last 28 days did you use snus? Number of Days
bidis_w10 Integer Recommended (Week 10) If yes, approximately how many days out of the last 28 days did you use bidis? Number of Days
tobacco_list_tlfb1 Integer Recommended Did you use any of the following tobacco products in the past 28 days? juul 0;1 0=No; 1= Yes
ecigarette_w10 Integer Recommended (Week 10) If yes, approximately how many days out of the last 28 days did you use e-cigarettes? Number of Days
nicotine_pouch_w10 Integer Recommended (Week 10) If yes, approximately how many days out of the last 28 days did you use oral nicotine pouches? Number of Days
other_product_name_w10 String 100 Recommended (Week 10) What other nicotine products did you utilize in the past 28 days?
other_use_w10 Integer Recommended (Week 10) If yes, approximately how many days out of the last 28 days did you use the other product? Number of Days
tobacco_list_tlfb2 Integer Recommended Did you use any of the following tobacco products in the past 28 days? cigars 0;1 0=No; 1= Yes
use_oth_tlfb_01 Integer Recommended Were other drugs used? 0;1 0= No; 1= Yes
oth_specify_01 String 100 Recommended Other drugs, specify:
dysuse_oth_tlfb_01 Integer Recommended Days of other drug use?
drinkdaypossible_01 Integer Recommended Number of Days Drinking Possible
timepoint_label String 50 Recommended Timepoint/visit label
use_op_tlfb_01 Integer Recommended Were opioids used? 0;1 0= No; 1= Yes
dysuse_op_tlfb_01 Integer Recommended Days of opioid use?
use_stim_tlfb_01 Integer Recommended Were stimulants used? 0;1 0= No; 1= Yes
dysuse_stim_tlfb_01 Integer Recommended Days of stimulant use?
use_mj_tlfb_01 Integer Recommended Was marijuana used? 0;1 0= No; 1= Yes
dysuse_mj_tlfb_01 Integer Recommended Days of marijuana use?
tlfb_wine Integer Recommended How many standard drinks of wine did you have on [tlfb_date]? Number of standard drinks
tlfb_mj_g Integer Recommended How many grams of cannabis did you use on [tlfb_date]? Number of standard drinks
tlfb_cannabis Integer Recommended Did you use any cannabis between [cmstrtdt] and [cmstpdt]? 0;1 0=No; 1=Yes
tlfb_cannabis_strain_yn Integer Recommended Do you know the name of the strain(s) of cannabis you used between [cmstrtdt] and [cmstpdt]? 0;1 0=No; 1=Yes
tlfb_cannabis_strain String 100 Recommended If you do know the name of the strains of cannabis used, please enter here.
fltb_cannabis_thc_cbd Integer Recommended Do you know the percent THC and/or the percent CBD for the strains of cannabis you used between [cmstrtdt] and [cmstpdt]? 0;1 0=No; 1=Yes
fltb_cannabis_percent String 100 Recommended If you do know the name of the percent THC and/or percent CBD of the strains of cannabis used, please enter here.
tlfb_mj_method1 Integer Recommended Did you smoke marijuana, vape marijuana, or eat marijuana in edible form on [tlfb_date]? (select all that apply) Smoked marijuana 0;1 0=No; 1=Yes
tlfb_mj_method2 Integer Recommended Did you smoke marijuana, vape marijuana, or eat marijuana in edible form on [tlfb_date]? (select all that apply) Vape marijuana 0;1 0=No; 1=Yes
tlfb_mj_method3 Integer Recommended Did you smoke marijuana, vape marijuana, or eat marijuana in edible form on [tlfb_date]? (select all that apply) Eat marijuana in edible form 0;1 0=No; 1=Yes
tlfb_smoke_method1 Integer Recommended If you smoked marijuana, what did you use to smoke marijuana on [tlfb_date]? (select all that apply) Joint 0;1 0=No; 1=Yes
tlfb_smoke_method2 Integer Recommended If you smoked marijuana, what did you use to smoke marijuana on [tlfb_date]? (select all that apply) Pipe/bowl/one-hitter 0;1 0=No; 1=Yes
tlfb_smoke_method3 Integer Recommended If you smoked marijuana, what did you use to smoke marijuana on [tlfb_date]? (select all that apply) Bong 0;1 0=No; 1=Yes
tlfb_smoke_method4 Integer Recommended If you smoked marijuana, what did you use to smoke marijuana on [tlfb_date]? (select all that apply) Blunt 0;1 0=No; 1=Yes
tlfb_smoke_method5 Integer Recommended If you smoked marijuana, what did you use to smoke marijuana on [tlfb_date]? (select all that apply) Spliff 0;1 0=No; 1=Yes
tlfb_vape_method1 Integer Recommended If you vaped marijuana, what kind of device did you use to vape on [tlfb_date]? (select all that apply) Vaping pen 0;1 0=No; 1=Yes
tlfb_vape_method2 Integer Recommended If you vaped marijuana, what kind of device did you use to vape on [tlfb_date]? (select all that apply) Other portable device 0;1 0=No; 1=Yes
tlfb_vape_method3 Integer Recommended If you vaped marijuana, what kind of device did you use to vape on [tlfb_date]? (select all that apply) Tabletop vaporizer 0;1 0=No; 1=Yes
tlfb_vape_method4 Integer Recommended If you vaped marijuana, what kind of device did you use to vape on [tlfb_date]? (select all that apply) E-cigarette 0;1 0=No; 1=Yes
tlfb_vape_method5 Integer Recommended If you vaped marijuana, what kind of device did you use to vape on [tlfb_date]? (select all that apply) Dab/oil rig 0;1 0=No; 1=Yes
stusdy String 40 Recommended Study ID
tlfb_vape_fill1 Integer Recommended If you vaped, what did you fill the device that you used to vape with on [tlfb_date]? 1;2 1=Dried marijuana plant material; 2=Marijuana concentrate (hash, oil, wax, BHO)
tlfb_high Integer Recommended How high did you feel on [tlfb_date]? 1::5 1=Very slightly or not at all; 2=A little; 3=Moderately; 4=Quite a bit; 5=Extremely
tlfb_date Date Recommended Calendar Date MM/DD/YYYY
tlfb_daynum Integer Recommended Day Number
alcohol_use Integer Recommended Did the participant use alcohol on this day? 0;1 0=No; 1=Yes
marijuana_use Integer Recommended Did the participant use marijuana on this day? 0;1 0=No; 1=Yes
tlfb_beer Integer Recommended How many standard drinks of beer did you have on [tlfb_date]? Number of standard drinks
tlfb_liquor Integer Recommended How many standard drinks of liquor did you have on [tlfb_date]? Number of standard drinks
prep_today Integer Recommended If on PrEP (pre-exposure prophylaxis), did you take a dose of [PrEP medication name] today? 0;1 0 = No; 1 = Yes
sexpartner_num Integer Recommended How many partners did you engage in some sexual activity with on this day? Number of partners
sexpartner_num_spec Integer Recommended Indicate partner number Ex Partner #1, Partner #2, Partner #3, etc
tlfb_sex_1 Integer Recommended Was this partner: 1;2 1 = Casual; 2 = Regular
tlfb_sex_2 String 50 Recommended How long had you known this partner?
tlfb_sex_3 Integer Recommended What was the gender of this partner? 1::4 1 = Male; 2 = Female; 3 = Male-to-Female; 4 = Female-to-Male
tlfb_sex_4 Integer Recommended Have you asked/did you ask this partner what his/her HIV status was? 0::2 0 = No; 1 = Yes, I have asked before this occasion; 2 = Yes, I asked on this occasion
tlfb_sex_5 Integer Recommended What was the HIV status of this partner? 1::3 1 = Positive; 2 = Negative; 3 = Do not know
tlfb_sex_6 Integer Recommended Did you ask this partner about whether they were on treatment or had been taking their HIV medication? 0;1 0 = No; 1 = Yes
tlfb_sex_7 Integer Recommended Was this person taking their HIV medication regularly at the time you had sex with them? 0;1 0 = No; 1 = Yes
tlfb_sex_8 Integer Recommended Did you ask this partner whether they were regularly taking [PrEP medication name] when you had sex? 0;1 0 = No; 1 = Yes
tlfb_sex_9 Integer Recommended Was this partner regularly taking [PrEP medication name] at the time you had sex with them? 0;1 0 = No; 1 = Yes
tlfb_sex_10 Integer Recommended Have you asked/did you ask this partner when the last time he/she was tested for HIV? 0;1 0 = No; 1 = Yes
tlfb_sex_11 Integer Recommended Did you engage in insertive anal sex? 0;1 0 = No; 1 = Yes
tlfb_sex_12 Integer Recommended Was a condom used during insertive anal sex? 0;1 0 = No; 1 = Yes
tlfb_sex_13 Integer Recommended Did you engage in receptive anal sex? 0;1 0 = No; 1 = Yes
tlfb_sex_14 Integer Recommended Was a condom used during receptive anal sex? 0;1 0 = No; 1 = Yes
tlfb_sex_15 Integer Recommended Did you engage in vaginal sex? 0;1 0 = No; 1 = Yes
tlfb_sex_16 Integer Recommended Was a condom used during vaginal sex? 0;1 0 = No; 1 = Yes
tlfb_sex_17 Integer Recommended Did you engage in oral sex? 0;1 0 = No; 1 = Yes
tlfb_sex_18 Integer Recommended Was a condom used during oral sex? 0;1 0 = No; 1 = Yes
tlfb_sex_19 Integer Recommended Were you under the influence of alcohol or drugs while engaging in sex with this partner? 0;1 0 = No; 1 = Yes
cigavg30days Float Recommended Over the past 30 days, ON DAYS USED CIGARETTES, what was the average cigarettes per day? (Enter to two demicals)
perccannabis30days Float Recommended Over the past 30 days, what percentage of days was cannabis used? (Enter with decimal. Every day=1.0)
avgcannabis30days Float Recommended Over the past 30 days, ON DAYS USED CANNABIS, what was the average amount of cannabis used? Enter with decimal. (Enter to two demicals) Amount in Grams
percpcp30days Float Recommended Over the past 30 days, what percentage of days was PCP used? (Enter with decimal. Every day=1.0)
percopiates30days Float Recommended Over the past 30 days, what percentage of days was opiates used? (Enter with decimal. Every day=1.0)
perchall30days Float Recommended Over the past 30 days, what percentage of days was hallucinogens used? (Enter with decimal. Every day=1.0)
percstim30days Float Recommended Over the past 30 days, what percentage of days was stimulants used? (Enter with decimal. Every day=1.0)
percsed30days Float Recommended Over the past 30 days, what percentage of days was sedatives used? (Enter with decimal. Every day=1.0)
percinhal30days Float Recommended Over the past 30 days, what percentage of days were inhalants used? (Enter with decimal. Every day=1.0)
percother30days Float Recommended Over the past 30 days, what percentage of days were other drugs used? (Enter with decimal. Every day=1.0)
percalcohol30days Float Recommended Over the past 30 days, what percentage of days was alcohol used? (Enter with decimal. Every day=1.0)
totaldrinks30days Float Recommended Over the past 30 days, what was the total number of drinks consumed?
avgdrinks30days Float Recommended Over the past 30 days, ON DRINKING DAYS, what was the average drinks per day? (Enter to two demicals)
percheavy30days Float Recommended Over the past 30 days, what percentage of days were heavy drinking days (more than 3 drinks)? (Enter to two demicals)
blackout Integer Recommended Did your alcohol use cause a blackout? 0;1 0 = No; 1 = Yes
perccig30days Float Recommended Over the past 30 days, what percentage of days were cigarettes used? (Enter with decimal. Every day=1.0)
cigtotal30days Float Recommended Over the past 30 days, how many cigarrettes were used? (Enter to two demicals)
blackout1 Float Recommended Over the past 30 days, what was the percentage of days in which a black out occurred? 0::1 0=0%; 1=100%
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.

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