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slhq_weighted_avg_hrs under Sleep Questionnaires/Sleep Habits in CHAT variables
avg_hrs_slp_wd under Sleep Monitoring/Polysomnography/Evening and Morning Survey in CHAT variables
avg_hrs_slp_wknd under Sleep Monitoring/Polysomnography/Evening and Morning Survey in CHAT variables
avg_hrs_slpt under Sleep Monitoring/Polysomnography/Evening and Morning Survey in CHAT variables
sleep_diary_weighted_avg_hrs under Sleep Monitoring/Polysomnography/Evening and Morning Survey in CHAT variables
total_hrs_slept_weekdays under Sleep Questionnaires/Sleep Habits in CHAT variables
total_hrs_slept_weekend under Sleep Questionnaires/Sleep Habits in CHAT variables
work_hrs_day under Demographics/Employment in HCHS variables
work_hrs_week under Demographics/Employment in HCHS variables
slea1a_2401 under Sleep Questionnaires/Sleep Habits in HCHS variables
slea1c_2401 under Sleep Questionnaires/Sleep Habits in HCHS variables
slea2a_2401 under Sleep Questionnaires/Sleep Habits in HCHS variables
slea2c_2401 under Sleep Questionnaires/Sleep Habits in HCHS variables
abdodur under Sleep Monitoring/Polysomnography/Signal Quality in SHHS variables
Hours of useable signal are rounded out to the lowest whole integer (e.g. 4.6 hours of useable data = 4). Useable respiratory data is defined as the number of hours that abnormal breaths can be distinguished from normal breaths
airdur under Sleep Monitoring/Polysomnography/Signal Quality in SHHS variables
Hours of useable signal are rounded out to the lowest whole integer (e.g. 4.6 hours of useable data = 4). Useable respiratory data is defined as the number of hours that abnormal breaths can be distinguished from normal breaths
chestdur under Sleep Monitoring/Polysomnography/Signal Quality in SHHS variables
Hours of useable signal are rounded out to the lowest whole integer (e.g. 4.6 hours of useable data = 4). Useable respiratory data is defined as the number of hours that abnormal breaths can be distinguished from normal breaths
chindur under Sleep Monitoring/Polysomnography/Signal Quality in SHHS variables
Useable data for EEG/EOG/EMG data is defined by the number of hours that sleep stages can be distinguished from awake. Hours of useable signal are rounded out to the lowest whole integer (e.g. 4.6 hours of useable data = 4).
eeg1dur under Sleep Monitoring/Polysomnography/Signal Quality in SHHS variables
Useable data for EEG/EOG/EMG data is defined by the number of hours that sleep stages can be distinguished from awake. Hours of useable signal are rounded out to the lowest whole integer (e.g. 4.6 hours of useable data = 4).
eeg2dur under Sleep Monitoring/Polysomnography/Signal Quality in SHHS variables
Useable data for EEG/EOG/EMG data is defined by the number of hours that sleep stages can be distinguished from awake. Hours of useable signal are rounded out to the lowest whole integer (e.g. 4.6 hours of useable data = 4).
eogldur under Sleep Monitoring/Polysomnography/Signal Quality in SHHS variables
Useable data for EEG/EOG/EMG data is defined by the number of hours that sleep stages can be distinguished from awake. Hours of useable signal are rounded out to the lowest whole integer (e.g. 4.6 hours of useable data = 4).
hrdur under Sleep Monitoring/Polysomnography/Signal Quality in SHHS variables
Hours of useable signal are rounded out to the lowest whole integer (e.g. 4.6 hours of useable data = 4).
oximdur under Sleep Monitoring/Polysomnography/Signal Quality in SHHS variables
Hours of useable signal are rounded out to the lowest whole integer (e.g. 4.6 hours of useable data = 4).
posdur under Sleep Monitoring/Polysomnography/Signal Quality in SHHS variables
Hours of useable signal are rounded out to the lowest whole integer (e.g. 4.6 hours of useable data = 4).