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Filter Cart

The Filter Cart provides a powerful way to query and access data for which you may be interested.  

A few points related to the filter cart are important to understand with the NDA Query/Filter implementation: 

First, the filter cart is populated asyncronously.  So, when you run a query, it may take a moment to populate but this will happen in the background so you can define other queries during this time.  

When you are adding your first filter, all data associated with your query will be added to the filter cart (whether it be a collection, a concept, a study, a data structure/elment or subjects). Not all data structures or collections will necessarily be displayed.  For example, if you select the NDA imaging structure image03, and further restrict that query to scan_type fMRI, only fMRI images will appear and only the image03 structure will be shown.  To see other data structures, select "Find All Subject Data" which will query all data for those subjects. When a secord or third filter is applied, an AND condition is used.  A subject must exist in all filters.  If the subject does not appear in any one filter, that subjects data will not be included in your filter cart. If that happens, clear your filter cart, and start over.  

It is best to package more data than you need and access those data using other tools, independent of the NDA (e.g. miNDAR snapshot), to limit the data selected.  If you have any questions on data access, are interested in using avaialble web services, or need help accessing data, please contact us for assistance.  

Frequently Asked Questions



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Data Structures with shared data
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Evening Morning Sleep Questioannaire

133 Shared Subjects

Clinical Assessments
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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 record_id
interview_age Integer Required Age in months at the time of the interview/test/sampling/imaging. 0 :: 1260 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.
interview_date Date Required Date on which the interview/genetic test/sampling/imaging/biospecimen was completed. MM/DD/YYYY Required field
sex String 20 Required Sex of the subject M;F M = Male; F = Female gender
Query emsq_1 Integer Recommended Rate your level of alertness today 1::10 1 = Most drowsy; 10 = Most alert
Query emsq_2 Integer Recommended Amount of exercise today (intentional exercise like jogging, etc) 0::2400 Each unit is one minute
Query emsq_3 Integer Recommended Amount of napping today 0::2400 Each unit is one minute
Query emsq_4 Integer Recommended Amount of coffee or caffeine-containing beverages (# glasses/cups) Total 0::10 Each unit is a cup of caffeineted beverage
Query emsq_5 Integer Recommended Total # of cigarettes 0::200 Each unit is a cigarette
Query emsq_6 Integer Recommended Total # of Alcoholic Beverages 0::10 Each unit is one drink
Query emsq_7 Integer Recommended Total # of Sleeping Pills 0::10 Each unit is a sleeping pill
Query emsq_8 String 50 Recommended Name of Sleeping Pills Write down the name of the sleeping pill ingested
push_button String 20 Recommended Clock time that subject indicated he/she was turning off lights and trying to go to sleep emsq_9
emsq_10 String 10 Recommended What time did you wake up for the day (and not return to sleep)? Time is reported in military time
Query emsq_11 Integer Recommended How long do you estimate it took you to get to sleep last night 0::2400 Time is in minutes
Query emsq_12 Integer Recommended How many times did you wake up during last night 0::100 Each unit is a time woken up
Query scidsld_8 Float Recommended For how long in total are you typically awake during the night when you'd like to be sleeping? 0::240 Answer is recorded in units of minute emsq_13
Query emsq_14 Integer Recommended Had a hard time getting to sleep 1;2 1 = Yes; 2 = No
Query emsq_15 Integer Recommended If you woke up during the night, did you have difficulty falling back asleep 1;2 1 = Yes; 2 = No
Query emsq_16 Integer Recommended Woke up earlier then your usual time 1;2 1 = Yes; 2 = No
Query emsq_17 Integer Recommended Woke up earlier then your usual time and then found yourself unable to get back to sleep 1;2 1 = Yes; 2 = No
Query emsq_18 Integer Recommended Rate your overall sleep last night: 1::10 1 = Worst; 10 = Best
Query emsq_19 Integer Recommended Rate how deeply you slept last night: 1::10 1 = Not at all deep; 10 = Very Deep
Query emsq_20 Integer Recommended Rate how well-rested you felt when you got up for the day: 1::10 1 = Not at all rested; 10 = Very well rested
Query emsq_21 Integer Recommended Rate how mentally alert you felt when you got up for the day: 1::10 1 = Most drowsy; 10 = Most alert
Query emsq_22 Integer Recommended Did you recall a dream(s)? 1;2 1 = Yes; 2 = No
Query emsq_23 Integer Recommended Was your dream one of the following (please refer to definitions at bottom of page) 0::5 0 = None of the above; 1 = Nightmare; 2 = Bad dream; 3 = Sleep terror; 4 = Reccurent dream; 5 = Lucid dream
Query emsq_24 String 10 Recommended Please estimate what time of night this dream occurred Time is reported in military time
Query emsq_25 Integer Recommended If your dream was a nightmare, bad dream or sleep terror, how similar was your dream to the traumatic event you experienced. 0::4 1 = Exactly or almost exactly like the traumatic event; 1 = Similar to the traumatic event; 2 = possibily related to the traumatic event but unsure; 3 = related to a different upsetting or traumatic event; 4 = Unrelated to any traumatic event
Query emsq_26 Integer Recommended How vivid is your recollection of this dream? 1::10 1 = Most vivid I've ever had; 10 = Least vivid
Query emsq_27 Integer Recommended How pleasant/unpleasant was this dream? 1::10 1 = Most unpleasant I've ever had; 10 = Most pleasant
Query emsq_28 Integer Recommended State in your own words 3 emotions you experienced during this dream and estimate the intensity of each relative to your emotional experiences both awake and dreaming. Emotion 1 1::10 1 = Most intense I've felt; 10 = Least intense
Query emsq_29 Integer Recommended State in your own words 3 emotions you experienced during this dream and estimate the intensity of each relative to your emotional experiences both awake and dreaming. Emotion 2 1::10 1 = Most intense I've felt; 10 = Least intense
Query emsq_30 Integer Recommended State in your own words 3 emotions you experienced during this dream and estimate the intensity of each relative to your emotional experiences both awake and dreaming. Emotion 3 1::10 1 = Most intense I've felt; 10 = Least intense
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.