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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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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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Addiction Severity Index

addsev

01

Download Definition as
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Element NameData TypeSizeRequiredDescriptionValue RangeNotesAliases
subjectkeyGUIDRequiredThe NDAR Global Unique Identifier (GUID) for research subjectNDAR*
src_subject_idString20RequiredSubject ID how it's defined in lab/projectnewid
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
addsev1IntegerRecommendedTobacco, cigarettes, snuff, cigars, or chewing tobacco0;10 = No;1 = YesAS1A
addsev2IntegerRecommendedAny alcohol at all0;10 = No;1 = YesAS1B
addsev3IntegerRecommendedAlcohol to the point where you felt the effects of it0;10 = No;1 = YesAS1C
addsev4IntegerRecommendedMarijuana0;10 = No;1 = YesAS1D
addsev5IntegerRecommendedHeroin0;10 = No;1 = YesAS1E
sm_7g9IntegerRecommendedHave ever used Methadone without a prescription from a doctor?0;10=No;1=YesAS1F
addsev7IntegerRecommendedOther opiates or analgesics0;10 = No;1 = YesAS1G
addsev8IntegerRecommendedBarbiturates0;10 = No;1 = YesAS1H
addsev9IntegerRecommendedSedatives, benzodiazepines, tranquilizers, or hypnotics0;10 = No;1 = YesAS1I
addsev10IntegerRecommendedCocaine, crack, or coca leaves0;10 = No;1 = YesAS1J
addsev11IntegerRecommendedMethamphetamines, amphetamines, or stimulants0;10 = No;1 = YesAS1K
addsev12IntegerRecommendedHallucinogens0;10 = No;1 = YesAS1L
addsev13IntegerRecommendedInhalants0;10 = No;1 = YesAS1M
addsev14IntegerRecommendedMore than one substance per day, including alcohol0;10 = No;1 = YesAS1N
addsev15IntegerRecommendedHow many days in the past 30 days have you experienced alcohol problemsAS2
addsev16IntegerRecommendedHow troubled/bothered have you been in the past 30 days by alcohol problems1::51 = Not at all;2 = Slightly;3 = Moderately;4 = Considerably;5 = ExtremelyAS3
addsev17IntegerRecommendedHow important to you now is treatment for these alcohol problems1::51 = Not at all;2 = Slightly;3 = Moderately;4 = Considerably;5 = ExtremelyAS4
addsev18IntegerRecommendedHow many days in the past 30 days have you experienced drug problemsAS5
addsev19IntegerRecommendedHow troubled/bothered have you been in the past 30 days by drug problems1::51 = Not at all;2 = Slightly;3 = Moderately;4 = Considerably;5 = ExtremelyAS6
addsev20IntegerRecommendedHow important to you now is treatment for these drug problems1::51 = Not at all;2 = Slightly;3 = Moderately;4 = Considerably;5 = ExtremelyAS7
addsev21FloatRecommendedHow much would you say you have spent on alcohol in the past 30 days (dollars)AS8
addsev22FloatRecommendedHow much have you spent on drugs in the past 30 days (dollars)AS9
addsev23IntegerRecommendedSum of Drug useSum_AS1A_AS1N
addsev24IntegerRecommendedSum of Alcohol and drug use (without tobacco use)Sum_AS1B_AS1N
addsev25IntegerRecommendedSum of Drug use (without tobacco or alcohol)Sum_AS1D_AS1N
addsev26IntegerRecommendedWhether the subject use tobacco alcohol or drug0;10 = No;1 = YesASuse
addsev27IntegerRecommendedWhether the subject use alcohol or drug0;10 = No;1 = YesASuse_tobaccoremoved
addsev28IntegerRecommendedWhether the subject use drug0;10 = No;1 = Yesdruguse
addsev29FloatRecommendedAlcohol problem severitySeverity score: 1 = Not at all;2 = Slightly;3 = Moderately;4 = Considerably;5 = ExtremelymeanAS34
addsev30FloatRecommendedDrug problem severitySeverity score: 1 = Not at all;2 = Slightly;3 = Moderately;4 = Considerably;5 = ExtremelymeanAS67
siteString100RecommendedSiteStudy Site
days_baselineIntegerRecommendedDays since baselineasdays
visitString50RecommendedVisit nameCharacter description of each type of visittimept
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: addsev01 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.