Table 4 Mean estimation from the fitted mixed effects models for each Fitbit parameter
Before intervention (T-1-T0) | During intervention (T0-T2) | ||||
|---|---|---|---|---|---|
Domain | Variable name | Est | [95% CI] | Est | [95% CI] |
Heart rate | RHR (bpm) | 65.8 | [62.5 – 69.1] | 65.1 | [62.2 – 68.1] |
Physical activity | Step count (steps/day) | 8732 | [7566– 9962] | 8369 | [7345 – 9460] |
Sedentary time (hours/day) | 9.0 | [7.8 – 10.2] | 8.4 | [7.0 – 9.8] | |
LPA (min/week) | 1631 | [1465 – 1806] | 1645 | [1492 – 1805] | |
MPA (min/week) | 117.8 | [86.3 – 154.1] | 122.0 | [99.0 – 147.4] | |
VPA (min/week) | 160.1 | [112.9 – 218.9] | 139.4 | [103.2 – 183.3] | |
Sleep | Sleep time (hours/day) | 7.0 | [6.3 – 7.6] | 7.0 | [6.5 – 7.5] |
Sleep efficiency (%/day) | 92.0 | [88.3 – 95.6] | 90.7 | [86.4 – 95.0] | |
Self-monitoring behaviour | Weigh-ins (days/week) | 3.2 | [2.0 – 4.3] | 3.3 | [2.4 – 4.1] |
Tracker days (days/week) | 6.2 | [5.6 – 6.7] | 6.5 | [6.1 – 6.8] | |
Activity registrations (number/week) | 5.1 | [3.7 – 6.6] | 4.8 | [3.5 – 6.1] | |