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slhq_weighted_avg_hrs under Sleep/Sleep and Health Questionnaire in CHAT variables
slea1a_2401 under Sleep Questionnaire in HCHS variables
slea2a_2401 under Sleep Questionnaire in HCHS variables
slea2c_2401 under Sleep Questionnaire in HCHS variables
work_hrs_day under Socio-demographic in HCHS variables
work_hrs_week under Socio-demographic in HCHS variables
total_hrs_slept_weekdays under Sleep/Sleep and Health Questionnaire in CHAT variables
total_hrs_slept_weekend under Sleep/Sleep and Health Questionnaire in CHAT variables
avg_hrs_slpt under Sleep/Sleep Journal in CHAT variables
avg_hrs_slp_wd under Sleep/Sleep Journal in CHAT variables
avg_hrs_slp_wknd under Sleep/Sleep Journal in CHAT variables
sleep_diary_weighted_avg_hrs under Sleep/Sleep Journal in CHAT variables
totaluse under Measurements/Oxygen Concentrator in HEARTBEAT 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).
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).
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).