Table 6 Overview of intra device reproducibility of Bioharness device.
Variables Device No Descriptive Data Reliability Data
Test 1
M ± S
Test 2
M ± S
Change in mean 95% CL CV ICC
HR (b·min-1) Device 4 104.5 ± 28.4 98.1 ± 27.9 -6.4 -6.99 to -5.73 2.5 .99*
Device 5 104.4 ± 30.7 106.0 ± 29.7 1.6 .54 to 2.58 4.7 .98*
Device 6 100.7 ± 24.1 111.0 ± 29.2 10.3 8.73 to 11.86 5.4 .97*
Device 7 103.1 ± 28.3 102.2 ± 24.2 -.9 -2.15 to 0.41 5.9 .97*
BF (br·min‑1) Device 4 24.6 ± 2.8 28.1 ± 8.1 3.4 2.39 to 4.47 13.7 .57
Device 5 29.6 ± 8.3 24.6 ± 3.7 -4.7 -6.05 to -3.88 13.2 .59
Device 6 25.1 ± 3.9 26.1 ± 4.0 1.0 .20 to 1.81 11.4 .41
Device 7 29.7 ± 7.4 32.5 ± 9.4 2.9 1.64 to 4.09 13.2 .72*
ACC (ct·sec-1) Device 4 0.77 ± 0.42 0.80 ± 0.42 .03 .01 to .04 7.0 .99*
Device 5 0.81 ± 0.42 0.81 ± 0.43 .01 -.01 to .02 5.4 .99*
Device 6 0.80 ± 0.42 0.77 ± 0.41 .02 -.04 to -.01 5.6 .99*
Device 7 0.81 ± 0.43 0.81 ± 0.43 .01 -.01 to .02 5.7 .99*
ST (°C) Device 4 30.8 ± 1.51 30.1 ± 0.66 -.69 -.81 to -.56 1.5 .90*
Device 5 30.1 ± 1.76 30.5 ± 1.24 .36 .25 to .48 1.5 .92*
Device 6 29.3 ± 1.24 30.2 ± 1.33 .89 .79 to .98 1.2 .92*
Device 7 31.2 ± 1.51 29.2 ± 0.66 -1.94 -2.17 to -1.71 2.7 .48
P (°) Device 4 46.9 ± 25.0 45.1 ± 25.7 -1.8 -.51 to -2.91 10.1 .99*
Device 5 44.0 ± 24.4 45.4 ± 24.8 1.4 .61 to 2.14 1.6 .99*
Device 6 44.8 ± 23.5 44.4 ± 24.9 -.4 -1.55 to .80 5.5 .99*
Device 7 44.8 ± 23.3 44.1 ± 25.2 -.6 -2.29 to 1.04 8.8 .99*
* p < 0.01
Tabular report of reliability statistics: Descriptive statistics, Standard Deviation (S), 95% Confidence Limits (95% CL), Change in Mean, Coefficient of Variation (CV) and Intra Class Correlations (ICC)