Table 2.
Results of the seven-day free-living validation including total error (N = 24), and error separated by participants with chronic low back pain (cLBP) (N = 12) and healthy controls (N = 12).
ActiLife™ | MATLAB | Error (%) | Healthy Error (%) |
cLBP Error (%) |
|
---|---|---|---|---|---|
Total y-Axis Activity Counts | 1,849,697.0 | 1,849,615.5 | 0.00 | 0.00 | 0.01 |
Total Vector Magnitude Counts | 3,486,535.2 | 3,494,540.1 | 0.23 | 0.31 | 0.15 |
Total Step Counts | 49,850.3 | 49,884.9 | 0.07 | 0.09 | 0.05 |
Total Minutes in Sedentary | 3573.4 | 3616.8 | 1.21 | 1.31 | 1.11 |
Total Minutes in Light | 1629.8 | 1629.8 | 0.00 | 0.01 | 0.01 |
Total Minutes in Moderate | 225.8 | 225.4 | 0.18 | 0.08 | 0.40 |
Total Minutes in Vigorous | 17.0 | 17.0 | 0.24 | 0.56 | 0.00 |
Total Minutes in Very Vigorous | 0.2 | 0.2 | 0.00 | 0.00 | 0.00 |
cLBP = chronic low back pain.