Table 5 Statistical analysis (df, F-values and t-values)
Variables | 3 × 2 ANOVA | Pre-post analysis (post-hoc) | ||||
|---|---|---|---|---|---|---|
Main effect: Time | Main effect: Group | Interaction effect: Time × Group | M-SRT | M-URT | F-URT | |
df & F-value | t-value | |||||
Questionnaires | ||||||
 Falls efficacy scale – international | F(1, 72) = 5.33 | F(2, 72) = .43 | F(2, 72) = .95 |  |  |  |
Muscle strength | Â | Â | Â | Â | Â | Â |
 Isometric leg extension strength | F(1, 72) = 76.66 | F(2, 72) = .83 | F(2, 72) = 3.91 | t(26) = −5.17 | t(25) = −6.92 | t(21) = −3.39 |
 Hand grip strength | F(1, 72) = 1.33 | F(2, 72) = .53 | F(2, 72) = .02 |  |  |  |
Muscle power | ||||||
 Chair rise test | F(1, 72) = 51.53 | F(2, 72) = 1.86 | F(2, 72) = 3.84 | t(26) = 4.71 | t(25) = 3.16 | t(21) = 4.48 |
 Chair rise test AIREX® | F(1, 72) = 49.19 | F(2, 72) = 1.00 | F(2, 72) = 2.33 | t(26) = 4.72 | t(25) = 3.29 | t(21) = 4.05 |
 Stair ascent time | F(1, 72) = 5.97 | F(2, 72) = .86 | F(2, 72) = .18 |  |  |  |
 Stair descent time | F(1, 72) = 15.79 | F(2, 72) = .10 | F(2, 72) = .04 |  |  |  |
 Stair ascent power | F(1, 72) = 1.19 | F(2, 72) = .61 | F(2, 72) = .24 |  |  |  |
 Stair descent power | F(1, 72) = 10.29 | F(2, 72) = .06 | F(2, 72) = .42 |  |  |  |
Proactive balance | ||||||
 Timed up and go test | F(1, 72) = 14.34 | F(2, 72) = 1.59 | F(2, 72) = .76 |  |  |  |
 Functional reach test | F(1, 72) = 51.13 | F(2, 72) = 2.10 | F(2, 72) = 2.77 | t(26) = −3.67 | t(25) = −3.39 | t(21) = −4.92 |
 Functional reach test AIREX® | F(1, 72) = 64.61 | F(2, 72) = 2.16 | F(2, 72) = 2.74 | t(26) = −3.51 | t(25) = −5.34 | t(21) = −5.13 |
Dynamic steady-state balance | ||||||
 Stride velocity | F(1, 71) = 35.11 | F(2, 71) = .08 | F(2, 71) = .21 |  |  |  |
 Stride velocity CV | F(1, 71) = 1.13 | F(2, 71) = .71 | F(2, 71) = 1.42 |  |  |  |
 Stride length | F(1, 71) = 34.34 | F(2, 71) = .59 | F(2, 71) = .10 |  |  |  |
 Stride length CV | F(1, 71) = .38 | F(2, 71) = 4.39 | F(2, 71) = 2.34 |  |  |  |
 Stride width | F(1, 71) = 1.25 | F(2, 71) = .94 | F(1, 71) = .42 |  |  |  |
 Stride width CV | F(1, 71) = 7.59 | F(2, 71) = .15 | F(2, 71) = .83 |  |  |  |
 Double support | F(1, 71) = 5.56 | F(2, 72) = .01 | F(2, 72) = 1.13 |  |  |  |
 Double support CV | F(1, 71) = .38 | F(2, 72) = .12 | F(2, 72) = .49 |  |  |  |