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Total sleep duration from type I polysomnography and type III home sleep test
tst_modified under Sleep Monitoring/Polysomnography/Sleep Architecture in HOMEPAP variables
Composite total sleep duration based on the diagnostic sleep study and home sleep study. Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep, conventionally called total sleep time. For participants from the type III home sleep test, it is based on estimated sleep duration, which provides an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)This time period is used to calculate indices and other averages.
Ever worked outside the home
work under Demographics/Employment in CFS variables
Have you ever worked outside the home
Which of the following best describes your current work status: Working either full or part time (either outside the home or at a home-based business)
q11q3d under General Health/Child Health Questionnaire (CHQ) in CFS variables
Item from the Child Health Questionnaire Parent Form 50 Questions (CHQ-PF50). Asmussen L et al, 2000 (PubMed ID: 11029320)Search for all CHQ-PF50 variables within this dataset
Sleep Study: apnea hypopnea index
ahi under Sleep Monitoring/Home Sleep Test in CFS variables
A subset of participants had home sleep test (Edentec) as well as in-lab polysomnography at visit 5.
Sleep Study: subject had predominantly central apneas
apnctr under Sleep Monitoring/Home Sleep Test in CFS variables
A subset of participants had home sleep test (Edentec) as well as in-lab polysomnography at visit 5.
Sleep Study: subject had predominantly obstructive apneas
apnobst under Sleep Monitoring/Home Sleep Test in CFS variables
A subset of participants had home sleep test (Edentec) as well as in-lab polysomnography at visit 5.
Sleep Study: average apnea duration (sec)
avgapn under Sleep Monitoring/Home Sleep Test in CFS variables
A subset of participants had home sleep test (Edentec) as well as in-lab polysomnography at visit 5.
Sleep Study: average hypopnea duration (sec)
avghyp under Sleep Monitoring/Home Sleep Test in CFS variables
A subset of participants had home sleep test (Edentec) as well as in-lab polysomnography at visit 5.
Sleep Study: average oxygen saturation (%)
avgo2 under Sleep Monitoring/Home Sleep Test in CFS variables
A subset of participants had home sleep test (Edentec) as well as in-lab polysomnography at visit 5.
Sleep Study: baseline heartrate
basehr under Sleep Monitoring/Home Sleep Test in CFS variables
A subset of participants had home sleep test (Edentec) as well as in-lab polysomnography at visit 5.
Sleep Study: baseline oxygen saturation{BaseO2} (%)
baseo2 under Sleep Monitoring/Home Sleep Test in CFS variables
A subset of participants had home sleep test (Edentec) as well as in-lab polysomnography at visit 5.
Sleep Study: hours of sleep
hours under Sleep Monitoring/Home Sleep Test in CFS variables
A subset of participants had home sleep test (Edentec) as well as in-lab polysomnography at visit 5.
Sleep Study: lowest oxygen saturation (%)
lowo2 under Sleep Monitoring/Home Sleep Test in CFS variables
A subset of participants had home sleep test (Edentec) as well as in-lab polysomnography at visit 5.
Sleep Study: maximum apnea duration (sec)
maxapn under Sleep Monitoring/Home Sleep Test in CFS variables
A subset of participants had home sleep test (Edentec) as well as in-lab polysomnography at visit 5.
Sleep Study: maximum hypopnea duration (sec)
maxhyp under Sleep Monitoring/Home Sleep Test in CFS variables
A subset of participants had home sleep test (Edentec) as well as in-lab polysomnography at visit 5.
Sleep Study: % time O2 saturation < 70%
per70 under Sleep Monitoring/Home Sleep Test in CFS variables
A subset of participants had home sleep test (Edentec) as well as in-lab polysomnography at visit 5.
Sleep Study: % time O2 saturation < 75%
per75 under Sleep Monitoring/Home Sleep Test in CFS variables
A subset of participants had home sleep test (Edentec) as well as in-lab polysomnography at visit 5.
Sleep Study: % time O2 saturation < 80%
per80 under Sleep Monitoring/Home Sleep Test in CFS variables
A subset of participants had home sleep test (Edentec) as well as in-lab polysomnography at visit 5.
Sleep Study: % time O2 saturation < 85%
per85 under Sleep Monitoring/Home Sleep Test in CFS variables
A subset of participants had home sleep test (Edentec) as well as in-lab polysomnography at visit 5.
Sleep Study: % time O2 saturation < 90%
per90 under Sleep Monitoring/Home Sleep Test in CFS variables
A subset of participants had home sleep test (Edentec) as well as in-lab polysomnography at visit 5.
Sleep Study: % time O2 saturation < 95%
per95 under Sleep Monitoring/Home Sleep Test in CFS variables
A subset of participants had home sleep test (Edentec) as well as in-lab polysomnography at visit 5.
Sleep Study: # of post hyperapnea apneas
posthyp under Sleep Monitoring/Home Sleep Test in CFS variables
A subset of participants had home sleep test (Edentec) as well as in-lab polysomnography at visit 5.
Sleep Study: preliminary RDI
prelmrdi under Sleep Monitoring/Home Sleep Test in CFS variables
A subset of participants had home sleep test (Edentec) as well as in-lab polysomnography at visit 5.
Sleep Study: # of 10 min. intervals in prone position
proneno under Sleep Monitoring/Home Sleep Test in CFS variables
A subset of participants had home sleep test (Edentec) as well as in-lab polysomnography at visit 5.
Sleep Study: # of 10 minute intervals in supine position
supinno under Sleep Monitoring/Home Sleep Test in CFS variables
A subset of participants had home sleep test (Edentec) as well as in-lab polysomnography at visit 5.
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