Name
airqual
Label
Quality of the airflow signal
Description
Sleep Heart Health Study Visit 1 (SHHS1)-Vary from 1 (poorest) to 4 (best) and reflect the proportion of time the signals were useable. Useable respiratory data is defined as the number of hours that abnormal breaths can be distinguished from normal breaths
Domain
sigqual
- 1: Less than 2 hours of artifact-free signal
- 2: At least 2 hours but less than 4 hours of artifact-free signal
- 3: At least 4 hours but less than 6 hours of artifact-free signal
- 4: At least 6 hours of artifact-free signal
Type
choices