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BIRTH_DATE - NCHSDB Variables
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NCH Sleep DataBank
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Variables
v0.3.0
nchsdb
variables
Demographics
birth_date
birth_date
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age_at_sleep_study_days
ethnicity_descr
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Version
Release Date
0.3.0
latest release
Aug 10, 2022
0.2.0
Jan 25, 2022
0.1.0
Jan 6, 2022