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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

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Data Structures with shared data
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CTOPP Ages 5 to 6 as defined by the CPEA STAART Project

Download Definition as
Download Submission Template as
Element NameData TypeSizeRequiredDescriptionValue RangeNotesAliases
subjectkeyGUIDRequiredThe NDAR Global Unique Identifier (GUID) for research subjectNDAR*
interview_dateDateRequiredDate on which the interview/genetic test/sampling/imaging/biospecimen was completed. MM/DD/YYYYRequired fieldCTOPP_DATE_STD
cycleIntegerRecommendedTimepoint information-1 = Screener; 0 = Baseline; 97 = Taper; 98 = Withdrawal; 99 = Interim contact; Otherwise: weeks since baseline
patidString20Recommendedsrc_Subject_idA Participant ID provided by DM-STAT must be present to process form
networkString20RecommendedNetworkCPEA or STAART Network
siteString100RecommendedSiteStudy Site
ctopp_versionString35RecommendedCTOPP Version
ctopp_nr_bieleeIntegerRecommendedbieleedoge0; 1; -90 = Incorrect; 1 = Correct; -9 = Missing value
ctopp_nr_burlooIntegerRecommendedburloogugendaplo0; 1; -90 = Incorrect; 1 = Correct; -9 = Missing value
ctopp_nr_chaseeIntegerRecommendedchaseedoolid0; 1; -90 = Incorrect; 1 = Correct; -9 = Missing value
ctopp_nr_dookerIntegerRecommendeddookershatupietazawm0; 1; -90 = Incorrect; 1 = Correct; -9 = Missing value
ctopp_nr_gekiezIntegerRecommendedgekieziesaekad0; 1; -90 = Incorrect; 1 = Correct; -9 = Missing value
ctopp_nr_jupIntegerRecommendedjup0;1;-90 = Incorrect; 1 = Correct; -9 = Missing value
ctopp_nr_lisashIntegerRecommendedlisashrul0; 1; -90 = Incorrect; 1 = Correct; -9 = Missing value
ctopp_nr_mawgeeIntegerRecommendedmawgeebooshernooshiek0; 1; -90 = Incorrect; 1 = Correct; -9 = Missing value
ctopp_nr_mebIntegerRecommendedmeb0; 1; -90 = Incorrect; 1 = Correct; -9 = Missing value
ctopp_nr_nigongIntegerRecommendednigong0; 1; -90 = Incorrect; 1 = Correct; -9 = Missing value
ctopp_nr_pateIntegerRecommendedpate0; 1; -90 = Incorrect; 1 = Correct; -9 = Missing value
ctopp_nr_shaburIntegerRecommendedshaburiehuvoimush0; 1; -90 = Incorrect; 1 = Correct; -9 = Missing value
ctopp_nr_teebudIntegerRecommendedteebudieshawlt0; 1; -90 = Incorrect; 1 = Correct; -9 = Missing value
ctopp_nr_viversIntegerRecommendedviversoomouj0; 1; -90 = Incorrect; 1 = Correct; -9 = Missing value
ctopp_nr_voesutIntegerRecommendedvoesutoov0; 1; -90 = Incorrect; 1 = Correct; -9 = Missing value
ctopp_nr_wudoipIntegerRecommendedwudoip0; 1; -90 = Incorrect; 1 = Correct; -9 = Missing value
ctopp_nr_wulanuIntegerRecommendedwulanuwup0; 1; -90 = Incorrect; 1 = Correct; -9 = Missing value
ctopp_nr_zidIntegerRecommendedzid0; 1; -90 = Incorrect; 1 = Correct; -9 = Missing value
ctopp_ros_bwrawIntegerRecommendedBlending Words Raw Score
ctopp_ros_bwstdIntegerRecommendedBlending Words Standard Score
ctopp_ros_elrawIntegerRecommendedElision Raw Score
ctopp_ros_elstdIntegerRecommendedElision Standard Score
ctopp_ros_mdageIntegerRecommendedMemory for Digits Age Equivalent
ctopp_ros_mdptlIntegerRecommendedMemory for Digits Percentile
ctopp_ros_mdrawIntegerRecommendedMemory for Digits Raw Score
ctopp_ros_mdstdIntegerRecommendedMemory for Digits Standard Score
ctopp_ros_nrageFloatRecommendedNonword Repetition: Age Equivalent
ctopp_ros_nrgreIntegerRecommendedNonword Repetition: Grade Equivalent
ctopp_ros_nrptlIntegerRecommendedNonword Repetition: Percentile
ctopp_ros_nrrawIntegerRecommendedNonword Repetition: Raw Score
ctopp_ros_nrstdIntegerRecommendedNonword Repetition: Standard Score-99 = Missing value
ctopp_ros_pacpsIntegerRecommendedPhonological Awareness: Composite Scores
ctopp_ros_pmcpsIntegerRecommendedPhonological Memory: Composite Scores
ctopp_ros_pmptlIntegerRecommendedPhonological Memory: Percentile
ctopp_ros_pmsssIntegerRecommendedPhonological Memory: Sums of SS
ctopp_ros_rncpsIntegerRecommendedRapid Naming: Composite Scores
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: cs_ctopp_5_602 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.