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pctdursp_ap0n_f1t3
under
Sleep Monitoring/Polysomnography/Respiratory Event Lengths
in
NUMOM2B variables
Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)
pctdursp_ap3nhp3x3n_f1t3
under
Sleep Monitoring/Polysomnography/Respiratory Event Lengths
in
NUMOM2B variables
Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)
insulin_fast
under
Clinical Data/Laboratory Tests
in
HCHS variables
This variable combines fasting glucose results from the central lab that was processed prior to July 5, 2010 (using units of mU/L) with results processed on or after July 5, 2010 (using units of pmol/L) and the overall units are converted to mU/L (1 mU/L = 6 pmol/L).
insulin_ogtt
under
Clinical Data/Laboratory Tests
in
HCHS variables
This variable combines post OGTT glucose results from the central lab that were processed prior to July 5, 2010 (using units of mU/L) with results processed on or after July 5, 2010 (using units of pmol/L) and the overall units are converted to mU/L (1 mU/L = 6 pmol/L).
The International Diabetes Federation (IDF) definition emphasizes central obesity because it is 'independently' associated with each of the other metabolic syndrome components, as well as insulin resistance.