Table 3.
Means and SD for posterior pelvis accelerometer variables with a significant (p < 0.05) mixed-design ANOVA result (Supplementary Table S3). Bold p-values indicate significant differences between ST and DT conditions after correction for multiple comparisons.
| Fallers | Non-Fallers | |||||
|---|---|---|---|---|---|---|
| ST | DT | p | ST | DT | p | |
| Fast Fourier Transform (FFT) First Quartile (%) | ||||||
| Vertical | 32.9 ± 10.6 | 26.3 ± 9.4 | 0.014 | 34.8 ± 10.0 | 26.5 ± 9.1 | <0.001 |
| AP | 40.7 ± 8.5 | 37.4 ± 7.8 | 0.076 | 43.0 ± 9.8 | 40.0 ± 7.9 | 0.072 |
| ML | 32.7 ± 11.4 | 29.5 ± 9.6 | 0.072 | 34.1 ± 10.6 | 29.3 ± 10.3 | 0.003 |
| Ratio of Even to Odd Harmonics | ||||||
| Vertical | 2.20 ± 0.84 | 2.00 ± 0.74 | 0.151 | 2.25 ± 0.85 | 1.94 ± 0.79 | 0.071 |
| AP | 2.11 ± 0.76 | 1.86 ± 0.77 | 0.088 | 2.23 ± 0.86 | 1.90 ± 0.67 | 0.037 |
| Maximum Lyapunov Exponent | ||||||
| ML | 0.28 ± 0.12 | 0.24 ± 0.10 | 0.295 | 0.25 ± 0.11 | 0.21 ± 0.10 | 0.037 |
| Acceleration Descriptive Statistics (g) | ||||||
| Superior Max | 0.32 ± 0.08 | 0.30 ± 0.09 | 0.569 | 0.31 ± 0.10 | 0.28 ± 0.10 | 0.011 |
| Superior Mean | 0.11 ± 0.03 | 0.09 ± 0.03 | 0.013 | 0.11 ± 0.03 | 0.09 ± 0.03 | 0.001 |
| Superior SD | 0.08 ± 0.02 | 0.07 ± 0.02 | 0.045 | 0.08 ± 0.02 | 0.07 ± 0.02 | <0.001 |
| Inferior Max | 0.45 ± 0.09 | 0.41 ± 0.14 | 0.029 | 0.44 ± 0.13 | 0.37 ± 0.15 | <0.001 |
| Inferior Mean | 0.15 ± 0.03 | 0.14 ± 0.04 | 0.023 | 0.16 ± 0.05 | 0.13 ± 0.05 | <0.001 |
| Inferior SD | 0.12 ± 0.02 | 0.11 ± 0.03 | 0.032 | 0.12 ± 0.03 | 0.10 ± 0.04 | <0.001 |
| Anterior Max | 0.42 ± 0.12 | 0.37 ± 0.12 | 0.004 | 0.48 ± 0.17 | 0.38 ± 0.14 | <0.001 |
| Anterior Mean | 0.15 ± 0.04 | 0.13 ± 0.04 | 0.020 | 0.17 ± 0.06 | 0.14 ± 0.04 | <0.001 |
| Anterior SD | 0.12 ± 0.03 | 0.10 ± 0.03 | 0.001 | 0.13 ± 0.05 | 0.10 ± 0.04 | <0.001 |
| Posterior Max | 0.31 ± 0.10 | 0.27 ± 0.08 | 0.018 | 0.28 ± 0.12 | 0.25 ± 0.11 | 0.028 |
| Posterior Mean | 0.12 ± 0.03 | 0.10 ± 0.03 | 0.004 | 0.11 ± 0.05 | 0.10 ± 0.04 | 0.011 |
| Posterior SD | 0.08 ± 0.02 | 0.07 ± 0.02 | 0.015 | 0.07 ± 0.03 | 0.06 ± 0.03 | 0.005 |
| Right Max | 0.40 ± 0.11 | 0.37 ± 0.15 | 0.053 | 0.38 ± 0.13 | 0.31 ± 0.12 | <0.001 |
| Right Mean | 0.13 ± 0.03 | 0.12 ± 0.04 | 0.050 | 0.13 ± 0.04 | 0.10 ± 0.03 | <0.001 |
| Right SD | 0.11 ± 0.03 | 0.10 ± 0.05 | 0.021 | 0.10 ± 0.03 | 0.08 ± 0.03 | <0.001 |
| Left Max | 0.40 ± 0.08 | 0.36 ± 0.09 | 0.068 | 0.39 ± 0.13 | 0.33 ± 0.14 | <0.001 |
| Left Mean | 0.13 ± 0.03 | 0.11 ± 0.03 | 0.005 | 0.13 ± 0.04 | 0.10 ± 0.04 | <0.001 |
| Left SD | 0.10 ± 0.02 | 0.09 ± 0.02 | 0.020 | 0.10 ± 0.03 | 0.08 ± 0.03 | <0.001 |