Name
queeg2
Label
Quality of the EEG2 signal
Description
Sleep Heart Health Study Visit 2 (SHHS2)-These vary from 1 (poorest) to 5 (best) and reflect the proportion of sleep time the signals were useable. EEG/EOG/EMG data are defined by the number of hours that sleep stages can be distinguished from awake.
Domain
sigqual2
- 1: Less than 25% of time with artifact-free signal
- 2: 25-49% of time with artifact-free signal
- 3: 50-74% of time with artifact-free signal
- 4: 75-94% of time with artifact-free signal
- 5: Entire sleep time (at least 95%) artifact-free
Type
choices