Table 3 Reproducibility of the HR (bmin) variable during simultaneous wearing of two devices
Variable |
Velocity |
Data |
Device A M (SD) |
Device B M (SD) |
Change in Mean |
95% CL |
CV |
ICC |
HR (b·min-1) |
All velocities |
All |
140.4 (33.3) |
143.7 (34.0) |
3.32 |
2.94 to 3.71 |
7.6 |
.91* |
Clean |
140.7 (33.4) |
141.0 (33.4) |
.39 |
.22 to .56 |
2.9 |
.98* |
4-6 km·h-1 |
All |
97.9 (15.4) |
97.7 (15.5) |
-.29 |
-.40 to -.18 |
1.6 |
.99* |
Clean |
- |
- |
- |
- |
- |
- |
8-10.5 km·h-1 |
All |
150.7 (22.7) |
155.2 (23.0) |
4.54 |
4.06 to 5.01 |
6.8 |
.82* |
Clean |
151.7 (22.4) |
152.8 (22.2) |
1.14 |
.88 to 1.39 |
3.4 |
.95* |
11 km·h-1 |
All |
172.1 (22.9) |
174.8 (14.4) |
2.63 |
1.20 to 4.05 |
14.4 |
.51* |
Clean |
174.6 (13.2) |
173.4 (12.9) |
-1.29 |
-1.74 to -.84 |
2.6 |
.99* |
Tabular report of reliability statistics: Descriptive statistics, Standard Deviation (SD), Change in mean, 95% Confidence Limits (CL), Coefficient of Variation (CV) and Intra Class Coefficient (ICC)* p < 0.01