Table 3.
Absolute mean relative error between real number of steps and steps registered by each pedometer, worn in different positions, as a percentage and standard deviation.
| Pedometer | Location | Speed (m/s) | |||
| Natural speed | 0.8 | 0.6 | 0.4 | ||
| IHa | Wrist | 10.21 (19.67) | 14.79 (26.03) | 26.97 (34.06) | 62.64 (41.94) |
| Belt | 0.55 (0.67) | 5.12 (11.63) | 16.29 (20.99) | 56.45 (27.20) | |
| WIb | Wrist | 14.37 (23.78) | 30.20 (31.43) | 64.07 (41.76) | 88.51 (25.35) |
| Belt | 0.87 (0.80) | 18.27 (29.07) | 80.92 (27.00) | 99.34 (3.79) | |
| Necklace | 1.52 (2.95) | 29.07 (27.55) | 88.46 (25.73) | 99.84 (0.50) | |
| MFc | Wrist | 37.16 (47.81) | 55.08 (8.10) | 40.18 (32.67) | 55.90 (33.19) |
| Belt | 39.05 (48.54) | 40.93 (41.62) | 49.87 (39.41) | 70.51 (45.08) | |
| Necklace | 10.93 (26.05) | 34.93 (34.60) | 53.09 (36.18) | 63.32 (35.13) | |
| GAd | Wrist | 3.08 (5.65) | 5.31 (9.38) | 12.24 (16.92) | 80.14 (25.41) |
aIH: iHealth activity monitor.
bWI: Withings Pulse O2.
cMF: Misfit Shine.
dGA: Garmin vívofit.