Table 3.
Comparison of Mio Alpha and Jabra Pulse HR assessment to Polar chest strap for all three exercise protocols individually, and with all data combined.
| Bias (bpm) | % of Data within ± 5 bpm | MAPE (SD) | Agreement r(c) (95% CI) | ||
|---|---|---|---|---|---|
| Treadmill | Mio | −0.3 (10.9) | 72 | 4.80 (8.33) | .911 (.909, .912) |
| Jabra | 0.8 (7.5) | 85 | 2.48 (4.90) | .943 (.942, .944) | |
| HIT | Mio | −17.7 (27.6)* | 44 | 12.50 (15.32)* | .329 (.320, .337)* |
| Jabra | −3.6 (11.7)* | 80 | 3.53 (7.00) | .861 (.858, .864)* | |
| Outdoor | Mio | −1.9 (8.7) | 82 | 2.83 (5.25) | .924 (.923, .925) |
| Jabra | 0.8 (8.5) | 79 | 3.64 (6.69) | .953 (.952, .954) | |
| Combined | Mio | −4.9 (17.2)* | 70 | 5.73 (10.19) | .771 (.769, .774)* |
| Jabra | −0.3 (9.2) | 82 | 3.14 (6.13) | .939 (.938, .940) |
*
indicates a MAPE > 10%, mean bias > 3 bpm, or r(c) < 0.90.