Related Variables
| visit |
Visit number
The Study of Osteoporotic Fractures (SOF) Visit where the data were collected/derived. |
Administrative | |
| ai_all |
Arousal Index: Number of arousals per hour of sleep from type II polysomnography
Total number of arousals per hour of sleep. Ratio of count of arousals to total sleep time in hours. |
Sleep Monitoring/Polysomnography/Arousals |