Patient Demographics & Study Characteristics
| Variable | or Median (–) |
| Demographic Data | |
| Age | 57.0 (48.0–65.5) |
| Female gender | 34 (50.7) |
| Site of surgery | |
| Cervical | 19 (28.4) |
| Lumbar | 27 (40.3) |
| Thoracic | 2 (3.0) |
| Multiple | 18 (26.9) |
| Data Collection | |
| GPS days of follow-up | 61 (49–61) |
| Accelerometer days of follow-up | 61 (50.5–61) |
| Daily pain survey response rate | 59.4 (42.4–76.9) |
| Digital Phenotypes | |
| Number of places visited | 3 (2–5) |
| Time spent at home (hours) | 18.3 (12.9–21.9) |
| Distance traveled (km) | 32.3 (10.8–62.3) |
| Maximum distance from home (km) | 10.6 (4.5–25.5) |
| Radius of gyration (km) | 1.50 (0.18-5.01) |
| Time spent not moving | 21.2 (20.2–22.2) |
| Average cadence | 1.64 (1.55–1.74) |
| Number of steps | 948.6 (356.9–2,005) |