Table 3.
Average measures obtained with wearable tracking device use (stress scores ranged from 0=low to 100=high and are based on the root mean square of successive R-R intervals).
| Wearable tracking device measures | Control period, mean (SD) | Intervention period, mean (SD) | P value | Mean difference (95% CI) |
| Steps per day | 8196 (2446) | 9178 (2735) | <.001a | 982 (492 to 1471) |
| Moderate to vigorous physical activity per week | 86 (187) | 193 (190) | <.001a | 107 (74 to 140) |
| Active kilocalories per day | 332 (222) | 512 (257) | <.001a | 180 (129 to 231) |
| Resting heart rate (beats per minute) | 58 (8) | 57 (7) | .002a | –1 (–1.3 to –0.3) |
| Stress score per day | 31 (9) | 31 (6) | .77 | 0 (–2.2 to 1.6) |
| Total sleep time per night (hours:minutes) | 07:42 (46) | 07:49 (42) | .10 | 00:07 (–1.3 to 14.0) |
aValues are significant at P<.05.