Table 5 Wilcoxon rank score of exoskeleton effect based on subjective rating—summary of means, standard deviations, and mean rank of PME.
Task | Perceived effort | Wilcoxon negative ranks of main effect | Sig. (Z, p < 0.05) | ||
|---|---|---|---|---|---|
% Mean (SD) Mode A (w/o Exo) | % Mean (SD) Mode B (with Exo) | Difference of means (%) | Mean (N = 15) | ||
Lifting | 100.0 (0.0) | 26.9 (12.2) | 73.1 | 8.0 | − 3.43, 0.001 |
Lifting and carrying | 100.0 (0.0) | 27.3 (14.8) | 72.7 | 8.0 | − 3.42, 0.001 |
