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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.

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Description
Value Range
Notes
Data Structures with shared data
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Gastrointestinal History

gih

01

Download Definition as
Download Submission Template as
Element NameData TypeSizeRequiredDescriptionValue RangeNotesAliases
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
cgi01abpainprevIntegerRecommendedPrevious months had abdominal pain0::20=Never or Rarely; 1=Sometimes; 2=Frequently or Always
cgi01abpaincurrIntegerRecommendedCurrent months had abdominal pain0::20=Never or Rarely; 1=Sometimes; 2=Frequently or Always
cgi01gaseousprevIntegerRecommendedPrevious gaseious or bloating0::20=Never or Rarely; 1=Sometimes; 2=Frequently or Always
cgi01gaseouscurrIntegerRecommendedCurrent gaseious or bloating0::20=Never or Rarely; 1=Sometimes; 2=Frequently or Always
cgi01diarrheaprevIntegerRecommendedPrevious diarrhea0::20=Never or Rarely; 1=Sometimes; 2=Frequently or Always
cgi01diarrheacurrIntegerRecommendedCurrent diarrhea0::20=Never or Rarely; 1=Sometimes; 2=Frequently or Always
cgi01constiprevIntegerRecommendedPrevious constipation0::20=Never or Rarely; 1=Sometimes; 2=Frequently or Always
cgi01consticurrIntegerRecommendedCurrent constipation0::20=Never or Rarely; 1=Sometimes; 2=Frequently or Always
cgi01painstoolprevIntegerRecommendedPrevious pain on stooling0::20=Never or Rarely; 1=Sometimes; 2=Frequently or Always
cgi01painstoolcurrIntegerRecommendedCurrent pain on stooling0::20=Never or Rarely; 1=Sometimes; 2=Frequently or Always
cgi01vomitprevIntegerRecommendedPrevious vomiting0::20=Never or Rarely; 1=Sometimes; 2=Frequently or Always
cgi01vomitcurrIntegerRecommendedCurrent vomiting0::20=Never or Rarely; 1=Sometimes; 2=Frequently or Always
cgi01senfoodsprevIntegerRecommendedPrevious sensitivity to foods0::20=Never or Rarely; 1=Sometimes; 2=Frequently or Always
cgi01senfoodscurrIntegerRecommendedCurrent sensitivity to foods0::20=Never or Rarely; 1=Sometimes; 2=Frequently or Always
cgi01diffswallowprevIntegerRecommendedPrevious difficulty swallowing0::20=Never or Rarely; 1=Sometimes; 2=Frequently or Always
cgi01diffswallowcurrIntegerRecommendedCurrent difficulty swallowing0::20=Never or Rarely; 1=Sometimes; 2=Frequently or Always
cgi01bldstoolprevIntegerRecommendedPrevious blood in stools0::20=Never or Rarely; 1=Sometimes; 2=Frequently or Always
cgi01bldstoolcurrIntegerRecommendedCurrent blood in stools0::20=Never or Rarely; 1=Sometimes; 2=Frequently or Always
cgi01bldvomitprevIntegerRecommendedPrevious blood in vomit0::20=Never or Rarely; 1=Sometimes; 2=Frequently or Always
cgi01bldvomitcurrIntegerRecommendedCurrent blood in vomit0::20=Never or Rarely; 1=Sometimes; 2=Frequently or Always
cgi01sengoodspecString250RecommendedPlease describe sensitivity to foods.
cgi02gasdiagIntegerRecommendedHas any gastrointestinal diagnosis been given?0;1; 91 = Yes; 0 = No; 9 = Unknown
cgi02gasdiagspecString100RecommendedSpecify gastrointestinal diagnosis
qpgs_c1String50RecommendedIn the last 2 months, how often did your child usually have poops?
2 times a week or less often;3-6 times a week;Once a day;2-3 times a day; More than 3 times a day; I don't know
cgi03poopsfreq
qpgs_c2String50RecommendedIn the last 2 months, what was your child's poop usually like?
Very hard;Hard;Not too hard and not too soft;Very soft or mushy;Watery;It depends (his/her poops are not always the same);I don't know
cgi04poopsapp
qpgs_c2aString50RecommendedIf your child's poops were usually hard, for how long have they been hard?
Less than 1 month;1 month;2 months;3 or more months; I don't know
cgi04poopshowlong
gih11pfallergyIntegerRecommendedPrevious (> 3 mos ago): Any allergies to foods?0;10=No ;1=Yes
gih11pfood1String100RecommendedPrevious Food allergy #1
gih11pfood2String100RecommendedPrevious Food allergy #2
gih11pfood3String100RecommendedPrevious Food allergy #3
gih11pfood4String100RecommendedPrevious Food allergy #4
gih11pfood5String100RecommendedPrevious Food allergy #5
gih11pfood6String100RecommendedPrevious Food allergy #6
gih11pfood7String100RecommendedPrevious Food allergy #7
gih11pfood8String100RecommendedPrevious Food allergy #8
gih11pfood9String100RecommendedPrevious Food allergy #9
gih11pfood10String100RecommendedPrevious Food allergy #10
gih11cfallergyIntegerRecommendedCurrent (in past 3 mos): Any allergies to foods?0;10=No ;1=Yes
gih11cfood1String100RecommendedCurrent Food allergy #1
gih11cfood2String100RecommendedCurrent Food allergy #2
gih11cfood3String100RecommendedCurrent Food allergy #3
gih11cfood4String100RecommendedCurrent Food allergy #4
gih11cfood5String100RecommendedCurrent Food allergy #5
gih11cfood6String100RecommendedCurrent Food allergy #6
gih11cfood7String100RecommendedCurrent Food allergy #7
gih11cfood8String100RecommendedCurrent Food allergy #8
gih11cfood9String100RecommendedCurrent Food allergy #9
gih11cfood10String100RecommendedCurrent Food allergy #10
gih12prestrictIntegerRecommendedPrevious (> 3 mos ago): Any diet restrictions?0;10=No ;1=Yes
gih12prestrictchIntegerRecommendedChild previously restricted diet11=Child restricted diet
gih12prestrictdocIntegerRecommendedDoctor previously restricted diet11=Doctor restricted the diet
gih12prestrictparIntegerRecommendedParent previously restricted diet11=Parent restricted the diet
gih12prestrictothIntegerRecommendedOther previously restricted diet11=Other restricted the diet
gih12pdietsymString250RecommendedIF YES: Reasons for previous diet restriction
gih12pfoodrest1String100RecommendedPrevious Restricted food #1
gih12pfoodrest2String100RecommendedPrevious Restricted food #2
gih12pfoodrest3String100RecommendedPrevious Restricted food #3
gih12pfoodrest4String100RecommendedPrevious Restricted food #4
gih12pfoodrest5String100RecommendedPrevious Restricted food #5
gih12crestrictIntegerRecommendedCurrent (in past 3 mos): Any diet restrictions?0;10=No ;1=Yes
gih12crestrictchIntegerRecommendedChild currently restricted diet11=Child restricted diet
gih12crestrictdocIntegerRecommendedDoctor currently restricted diet11=Doctor restricted the diet
gih12crestrictparIntegerRecommendedParent currently restricted diet11=Parent restricted the diet
gih12crestrictothIntegerRecommendedOther currently restricted diet11=Other restricted the diet
gih12cdietsymString250RecommendedIF YES: Reasons for current diet restriction
gih12cfoodrest1String100RecommendedCurrent Restricted food #1
gih12cfoodrest2String100RecommendedCurrent Restricted food #2
gih12cfoodrest3String100RecommendedCurrent Restricted food #3
gih12cfoodrest4String100RecommendedCurrent Restricted food #4
gih12cfoodrest5String100RecommendedCurrent Restricted food #5
gih13pdislikeIntegerRecommendedPrevious (> 3 mos ago): Any strong food dislikes?0;10=No ;1=Yes
gih13pfooddis1String100RecommendedPrevious Disliked food #1
gih13pfooddis2String100RecommendedPrevious Disliked food #2
gih13pfooddis3String100RecommendedPrevious Disliked food #3
gih13pfooddis4String100RecommendedPrevious Disliked food #4
gih13pfooddis5String100RecommendedPrevious Disliked food #5
gih13pfooddis6String100RecommendedPrevious Disliked food #6
gih13pfooddis7String100RecommendedPrevious Disliked food #7
gih13pfooddis8String100RecommendedPrevious Disliked food #8
gih13pfooddis9String100RecommendedPrevious Disliked food #9
gih13pfooddis10String100RecommendedPrevious Disliked food #10
gih14cdislikeIntegerRecommendedCurrent (in past 3 mos): Any strong food dislikes?0;10=No ;1=Yes
gih13cfooddis1String100RecommendedCurrent Disliked food #1
gih13cfooddis2String100RecommendedCurrent Disliked food #2
gih13cfooddis3String100RecommendedCurrent Disliked food #3
gih13cfooddis4String100RecommendedCurrent Disliked food #4
gih13cfooddis5String100RecommendedCurrent Disliked food #5
gih13cfooddis6String100RecommendedCurrent Disliked food #6
gih13cfooddis7String100RecommendedCurrent Disliked food #7
gih13cfooddis8String100RecommendedCurrent Disliked food #8
gih13cfooddis9String100RecommendedCurrent Disliked food #9
gih13cfooddis10String100RecommendedCurrent Disliked food #10
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: gih01 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.