TABLE 5.
Friedman test |
Post hoc: Dunn-Bonferroni |
|||||
Chi2(2) | p-Value | n | Z | p-Calue | r = | z/√n| | |
sitting meanSD1 | 0.000 | 1.000 | 11 | – | – | – |
sitting rMSSD | 0.182 | 0.913 | 11 | – | – | – |
standing meanRRi | 2.182 | 0.336 | 11 | – | – | – |
standing meanSD1 | 3.818 | 0.148 | 11 | – | – | – |
standing rMSSD | 0.182 | 0.913 | 11 | – | – | – |
bending meanSD1 | 5.636 | 0.060 | 11 | – | – | – |
bending rMSSD | 2.364 | 0.307 | 11 | – | – | – |
Workload max | 13.688 | 0.001∗ | 11 | |||
Baseline 1 vs. final test | −2.558 | 0.032∗ | |0.77| | |||
Baseline 2 vs. final test | −2.878 | 0.012∗ | |0.87| |
meanRRi, mean R-R interval; meanSD1; standard deviation of R-R intervals; rMSSD, root-mean-square difference of successive normal R-R intervals. All non-normally distributed data were analyzed with the non-parametric repeated measures comparison (Friedman test). Effect size: r = Pearson correlation coefficient (r = 0.1, small effect; r = 0.3, medium effect; and r = 0.5, large effect). ∗Significance level was established at p < 0.05.