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This is a U.S. Government computer system, which may be accessed and used only for authorized Government business by authorized personnel. Unauthorized access or use of this computer system may subject violators to criminal, civil, and/or administrative action. All information on this computer system may be intercepted, recorded, read, copied, and disclosed by and to authorized personnel for official purposes, including criminal investigations. Such information includes sensitive data encrypted to comply with confidentiality and privacy requirements. Access or use of this computer system by any person, whether authorized or unauthorized, constitutes consent to these terms. There is no right of privacy in this system.

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BodPod Machine Data

0 Shared Subjects

BodPod machine measures body composition by air displacement plethysmography.
Clinical Assessments
Task Based
03/10/2021
bodpod01
08/26/2022
View Change History
01
Definition
Submission Template
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
interview_age Integer Required Age in months at the time of the interview/test/sampling/imaging. 0::1440 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
sex String 20 Required Sex of subject at birth M;F; O; NR M = Male; F = Female; O=Other; NR = Not reported
bodpod_completed Integer Recommended BodPod completed? 0;1 0 = No; 1 = Yes
bodpod_date Date Recommended BodPod Date and Time
bodpod_notes String 250 Recommended BodPod Notes
density__model Integer Recommended Please select the density model used 1::4 1 = Sirir: Percent Fat=(4.95/DB - 4.50) multiplied by 100 (General Population); 2 = Schutte: Percent Fat=(4.374/DB - 3.928) multiplied by 100 (African American and Black Males); 3 = Ortiz: Percent Fat=(4.83/DB - 4.37) multiplied by 100 (African American and Black Females); 4 = Brozek Percent Fat=(4.57/DB - 4.142) multiplied by 100 (Lean and obese individuals)
tgv_model String 100 Recommended Thoracic Gas Volume Model
percent_fat Integer Recommended Percent Fat
percent_ffm Integer Recommended Percent Fat Free Mass
fat_mass__kg_ Integer Recommended Fat Mass (kg)
fat_mass__lb_ Integer Recommended Fat Mass (lb)
fat_free_mass__kg_ Integer Recommended Fat Free Mass (kg)
fat_free_mass__lb_ Integer Recommended Fat Free Mass (lb)
body_mass__kg_ Integer Recommended Body Mass (kg)
body_mass___lb_ Integer Recommended Body Mass (lb)
est__rmr__kcal_day_ Integer Recommended Estimated Resting Metabolic Rate
est__tee__kcal_day_ Integer Recommended Estimated Total Energy Expenditure
activity_level String 100 Recommended Daily Activity Level
body_volume Integer Recommended Body Volume
bd__kg_l_ Integer Recommended Body Density (kg/L)
volume1__l_ Integer Recommended Thoracic Gas Volume (L)
volume2__l_ Integer Recommended Thoracic Gas Volume (L)
volume3__l_ Integer Recommended Thoracic Gas Volume (L)
dfm__kg_l_ Integer Recommended Density Fat Mass (kg/L)
dffm__kg_l_ Integer Recommended Density Fat Free Mass (kg/L)
tgv__l_ Integer Recommended Thoracic Gas Volume (L)
predicted_tgv__l_ Integer Recommended Predicted Thoracic Gas Volume (L)
bsa__cm_2_ Integer Recommended Body Surface Area (cm2)
ref_child_id String 50 Recommended Referencing Child ID how it is defined in lab/project
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

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