National Database for Autism Research
Short Name: roaddistance
Version:

Distance to Roadways

Distances to roadways and summary diagnosis values

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ElementName DataType Size Required ElementDescription ValueRange Notes
subjectkey GUID Required The NDAR Global Unique Identifier (GUID) for subjects which identifies a subject in NDAR NDAR*
fcc3_distance Integer Optional Distance (in meters) to nearest class 3 road to birth residence 0 :: 4348 Secondary state or county highway distance
fcc4_distance Integer Optional Distance (in meters) to nearest class 4 road to birth residence 0 :: 1038 "Local, neighborhood, rural road, city street distance"
interview_age Integer Required Age in months at the time of the interview/test/sampling/imaging. 0 :: 1200 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
diagnosis String 255 Optional Subject Diagnosis "Final Diagnostic Group Based on Ascertainment, ADOS, ADIR, and SCQ"
src_subject_id String 20 Required The site or study's subject identification
gender String 50 Required Gender M; F
fcc1_distance Integer Required Distance (in meters) to nearest class 1 road to birth residence 0 :: 84101 Interstate highway distance
fcc2_distance Integer Optional Distance (in meters) to nearest class 2 road to birth residence 0 :: 38834
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