Table 2.
Mean and standard deviation values of postural stability for quiet standing measures with eyes open on low and high threat in the experimental and the control groups before and after intervention and results of two-way ANOVA.
| Pre | Post | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Variable | M (sd) EG |
M (sd) CG |
M (sd) EG |
M (sd) CG |
Interaction F(p) |
η2 | Group F(p) |
η2 | Time F(p) |
η2 |
| Low threat | ||||||||||
| SP-[mm] | 193.1(44.32) | 189.4(21.87) | 166.2(36.27) | 179.7(25.98) | 4.02(>0.05) | 0.17 | 0.11(>0.05) | 0.01 | 20.47(<0.001) | 0.52 |
| SPAP-[mm] | 153.7(36.55) | 148.1(21.70) | 131.1(28.65) | 138.4(23.29) | 2.66(>0.05) | 0.12 | 0.005(>0.05) | 0.00 | 16.82(<0.001) | 0.47 |
| SPML-[mm] | 87.1(21.58) | 87.9(17.38) | 76.2(17.16) | 85.7(18.19) | 5.47(<0.05) | 0.22 | 0.38(>0.05) | 0.02 | 12.35(<0.01) | 0.39 |
| High threat | ||||||||||
| SP-[mm] | 210.0(48.01) | 218.1(40.82) | 172.7(49.91) | 220.5(38.51) | 14.28(<0.001) | 0.43 | 2.25(>0.05) | 0.11 | 11.09(<0.01) | 0.37 |
| SPAP-[mm] | 169.7(40.0) | 176.3(32.35) | 137.1(39.53) | 175.6(27.59) | 8.01(<0.01) | 0.29 | 2.51(>0.05) | 0.12 | 8.75(<0.01) | 0.31 |
| SPML-[mm] | 90.5(24.34) | 93.8(27.09) | 76.1(21.73) | 98.(30.63) | 24.78(<0.000) | 0.57 | 11.28(>0.05) | 0.06 | 6.52(<0.01) | 0.25 |
Note. HW—height workers; OW—office workers; SP—Sway Path; ML—medio-lateral; AP—antero-posterior; Low threat—measurement at ground level; High threat—measurement at increased height of the measuring platform.