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NDAR provides a single access to de-identified autism research data. For permission to download data, you will need an NDAR account with approved access to NDAR or a connected repository (AGRE, IAN, or the ATP). For NDAR access, you need to be a research investigator sponsored by an NIH recognized institution with federal wide assurance. See Request Access for more information.

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Selected Filters
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The filters you have selected from various query interfaces will be stored here, in the 'Filter Cart'. The database will be queried using filters added to your 'Filter Cart', when multiple filters are defined, each will be executed using 'AND' logic, so with each filter that is applied the result set gets smaller.

From the 'Filter Cart' you can inspect each of the filters that have been defined, and you also have the option to remove filters. The 'Filter Cart' itself will display the number of filters applied along with the number of subjects that are identified by the combination of those filters. For example a GUID filter with two subjects, followed by a GUID filter for just one of those subjects would return only data for the subject that is in both GUID filters.

If you have a question about the filter cart, or underlying filters please contact the help desk at The NDA Help Desk

Description
Value Range
Notes
Data Structures with shared data
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Alcohol, Smoking and Substance Involvement Screening Test

assist

01

Download Definition as
Download Submission Template as
Element NameData TypeSizeRequiredDescriptionValue RangeNotes
subjectkeyGUIDRequiredThe NDAR Global Unique Identifier (GUID) for research subjectNDAR*
src_subject_idString20RequiredSubject ID how it's defined in lab/project
interview_dateDateRequiredDate on which the interview/genetic test/sampling/imaging was completed. MM/DD/YYYYRequired field
interview_ageIntegerRequiredAge in months at the time of the interview/test/sampling/imaging.0 :: 1260Age 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.
genderString20RequiredSex of the subjectM;FM = Male; F = Female
whoassist_use1IntegerRecommendedSubstance used 10;10= No; 1= Yes
whoassist_use2IntegerRecommendedSubstance used 20;10= No; 1= Yes
whoassist_use3IntegerRecommendedSubstance used 30;10= No; 1= Yes
whoassist_use4IntegerRecommendedSubstance used 40;10= No; 1= Yes
whoassist_use5IntegerRecommendedSubstance used 50;10= No; 1= Yes
whoassist_often1IntegerRecommendedHow often have you used substance 10::60= Never; 2= Once or Twice; 3= Monthly; 4= Weekly; 5= Daily or Almost Daily
whoassist_often2IntegerRecommendedHow often have you used substance 20::60= Never; 2= Once or Twice; 3= Monthly; 4= Weekly; 5= Daily or Almost Daily
whoassist_often3IntegerRecommendedHow often have you used substance 30::60= Never; 2= Once or Twice; 3= Monthly; 4= Weekly; 5= Daily or Almost Daily
whoassist_often4IntegerRecommendedHow often have you used substance 40::60= Never; 2= Once or Twice; 3= Monthly; 4= Weekly; 5= Daily or Almost Daily
whoassist_often5IntegerRecommendedHow often have you used substance 50::60= Never; 2= Once or Twice; 3= Monthly; 4= Weekly; 5= Daily or Almost Daily
whoassist_urge1IntegerRecommendedIn [time frame], how often had you had a desire or urge to use substance 10::60= Never; 3= Once or Twice; 4= Monthly; 5= Weekly; 6= Daily or Almost Daily
whoassist_urge2IntegerRecommendedIn [time frame], how often had you had a desire or urge to use substance 20::60= Never; 3= Once or Twice; 4= Monthly; 5= Weekly; 6= Daily or Almost Daily
whoassist_urge3IntegerRecommendedIn [time frame], how often had you had a desire or urge to use substance 30::60= Never; 3= Once or Twice; 4= Monthly; 5= Weekly; 6= Daily or Almost Daily
whoassist_urge4IntegerRecommendedIn [time frame], how often had you had a desire or urge to use substance 40::60= Never; 3= Once or Twice; 4= Monthly; 5= Weekly; 6= Daily or Almost Daily
whoassist_urge5IntegerRecommendedIn [time frame], how often had you had a desire or urge to use substance 50::60= Never; 3= Once or Twice; 4= Monthly; 5= Weekly; 6= Daily or Almost Daily
whoassist_prob1IntegerRecommendedIn [time frame], how often have health, social, legal or financial problems resulted from using substance 10::70= Never; 4= Once or Twice; 5= Monthly; 6= Weekly; 7= Daily or Almost Daily
whoassist_prob2IntegerRecommendedIn [time frame], how often have health, social, legal or financial problems resulted from using substance 20::70= Never; 4= Once or Twice; 5= Monthly; 6= Weekly; 7= Daily or Almost Daily
whoassist_prob3IntegerRecommendedIn [time frame], how often have health, social, legal or financial problems resulted from using substance 30::70= Never; 4= Once or Twice; 5= Monthly; 6= Weekly; 7= Daily or Almost Daily
whoassist_prob4IntegerRecommendedIn [time frame], how often have health, social, legal or financial problems resulted from using substance 40::70= Never; 4= Once or Twice; 5= Monthly; 6= Weekly; 7= Daily or Almost Daily
whoassist_prob5IntegerRecommendedIn [time frame], how often have health, social, legal or financial problems resulted from using substance 50::70= Never; 4= Once or Twice; 5= Monthly; 6= Weekly; 7= Daily or Almost Daily
whoassist_fail1IntegerRecommendedIn [time frame], how often have you failed to do what was normally expected of you because of your use of substance 10::80= Never; 5= Once or Twice; 6= Monthly; 7= Weekly; 8= Daily or Almost Daily
whoassist_fail2IntegerRecommendedIn [time frame], how often have you failed to do what was normally expected of you because of your use of substance 20::80= Never; 5= Once or Twice; 6= Monthly; 7= Weekly; 8= Daily or Almost Daily
whoassist_fail3IntegerRecommendedIn [time frame], how often have you failed to do what was normally expected of you because of your use of substance 30::80= Never; 5= Once or Twice; 6= Monthly; 7= Weekly; 8= Daily or Almost Daily
whoassist_fail4IntegerRecommendedIn [time frame], how often have you failed to do what was normally expected of you because of your use of substance 40::80= Never; 5= Once or Twice; 6= Monthly; 7= Weekly; 8= Daily or Almost Daily
whoassist_fail5IntegerRecommendedIn [time frame], how often have you failed to do what was normally expected of you because of your use of substance 50::80= Never; 5= Once or Twice; 6= Monthly; 7= Weekly; 8= Daily or Almost Daily
whoassist_concern1IntegerRecommendedHas a friend or relative or anyone else ever expressed concern about your use of substance 10;3;60=No, Never; 3= Yes, but not in the past 3 months; 6= Yes, in the past 3 months
whoassist_concern2IntegerRecommendedHas a friend or relative or anyone else ever expressed concern about your use of substance 20;3;60=No, Never; 3= Yes, but not in the past 3 months; 6= Yes, in the past 3 months
whoassist_concern3IntegerRecommendedHas a friend or relative or anyone else ever expressed concern about your use of substance 30;3;60=No, Never; 3= Yes, but not in the past 3 months; 6= Yes, in the past 3 months
whoassist_concern4IntegerRecommendedHas a friend or relative or anyone else ever expressed concern about your use of substance 40;3;60=No, Never; 3= Yes, but not in the past 3 months; 6= Yes, in the past 3 months
whoassist_concern5IntegerRecommendedHas a friend or relative or anyone else ever expressed concern about your use of substance 50;3;60=No, Never; 3= Yes, but not in the past 3 months; 6= Yes, in the past 3 months
whoassist__control1IntegerRecommendedHave you ever tried and failed to control, cut down or stop using substance 10;3;60=No, Never; 3= Yes, but not in the past 3 months; 6= Yes, in the past 3 months
whoassist__control2IntegerRecommendedHave you ever tried and failed to control, cut down or stop using substance 20;3;60=No, Never; 3= Yes, but not in the past 3 months; 6= Yes, in the past 3 months
whoassist__control3IntegerRecommendedHave you ever tried and failed to control, cut down or stop using substance 30;3;60=No, Never; 3= Yes, but not in the past 3 months; 6= Yes, in the past 3 months
whoassist__control4IntegerRecommendedHave you ever tried and failed to control, cut down or stop using substance 40;3;60=No, Never; 3= Yes, but not in the past 3 months; 6= Yes, in the past 3 months
whoassist__control5IntegerRecommendedHave you ever tried and failed to control, cut down or stop using substance 50;3;60=No, Never; 3= Yes, but not in the past 3 months; 6= Yes, in the past 3 months
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.

Distribution for DataStructure: assist01 and Element:
Chart Help

Filters enable researchers to view the data shared in NDA before applying for access or for selecting specific data for download or NDA Study assignment. For those with access to NDA shared data, you may select specific values to be included by selecting an individual bar chart item or by selecting a range of values (e.g. interview_age) using the "Add Range" button. Note that not all elements have appropriately distinct values like comments and subjectkey and are not available for filtering. Additionally, item level detail is not always provided by the research community as indicated by the number of null values given.

Filters for multiple data elements within a structure are supported. Selections across multiple data structures will be supported in a future version of NDA.