Table 1.
Linear regression parameters for discrete kinematics, kinetics, and spatiotemporal measure parameters. Coefficients, p-values, and 95% confidence intervals are listed for each predictor variable. Significant P-values are bold and italicized.
| Parameter | Coefficient | P-value | 95% Confidence Interval |
|---|---|---|---|
| Vertical impact peak (BW) | |||
| Age | 0.026 | 0.75 | −0.137 0.189 |
| Velocity | −3.05 | 0.11 | −6.77 0.678 |
| Experience | 0.121 | 0.28 | −0.100 0.342 |
| Loading rate (BW/s) | |||
| Age | −0.092 | 0.54 | −0.390 0.206 |
| Velocity | 16.4 | 0.001 | 9.601 23.2 |
| Experience | −0.031 | 0.88 | −0.436 0.373 |
| Active Peak (BW) | |||
| Age | 0.026 | 0.75 | −0.137 0.1895 |
| Velocity | −3.046 | 0.11 | −6.77 0.678 |
| Experience | 0.121 | 0.28 | −0.100 0.342 |
| Foot strike angle (°) | |||
| Age | 0 0.361 | 0.15 | −0.130 0.853 |
| Velocity | −5.52 | 0.33 | −16.7 5.691 |
| Experience | 0.108 | 0.75 | −0.562 0.778 |
| Knee flexion at foot strike (°) | |||
| Age | −0.245 | 0.23 | −0.648 0.158 |
| Velocity | 11.67 | 0.01 | 2.489 20.846 |
| Experience | −0.225 | 0.42 | −0.774 0.324 |
| Peak knee flexion during contact (°) | |||
| Age | −0.201 | 0.04 | −0.391 −0.01 |
| Velocity | 6.024 | 0.01 | 1.573 10.475 |
| Experience | −0.035 | 0.79 | −0.293 0.224 |
| Peak hip adduction during contact (°) | |||
| Age | −0.034 | 0.62 | −0.167 0.099 |
| Velocity | 2.417 | 0.12 | −0.610 5.445 |
| Experience | 0.006 | 0.95 | −0.175 0.187 |
| Peak hip internal rotation during contact (°) | |||
| Age | −0.079 | 0.31 | −0.235 −0.076 |
| Velocity | 5.059 | 0.01 | 1.525 8.593 |
| Experience | −0.104 | 0.33 | −0.3158 0.107 |
| Peak trunk flexion during contact (°) | |||
| Age | −0.066 | 0.41 | −0.225 0.093 |
| Velocity | 2.710 | 0.14 | −0.914 6.335 |
| Experience | −0.082 | 0.46 | −0.298 0.135 |
| Stride rate (strides/min) | |||
| Age | 0.085 | 0.48 | −0.152 0.322 |
| Velocity | 8.049 | 0.004 | 2.628 13.471 |
| Experience | 0.0305 | 0.85 | −0.292 0.353 |
| Stride time (s) | |||
| Age | −0.0003 | 0.46 | −0.0014 0.0006 |
| Velocity | −0.035 | 0.003 | −0.059 −0.012 |
| Experience | −0.0004 | 0.85 | −0.0015 0.0013 |
| Stride length (m) | |||
| Age | −0.00005 | 0.12 | −0.00012 0.00001 |
| Velocity | 0.0107 | 0.001 | 0.0092 0.0122 |
| Experience | −0.00004 | 0.93 | −0.00009 0.00009 |
| Contact time (s) | |||
| Age | 0.0005837 | 0.04 | 0.00004 0.0011 |
| Velocity | −0.0566981 | 0.001 | −0.0692 −0.0442 |
| Experience | −0.0003 | 0.45 | −0.001 0.00046 |
| Flight time (s) | |||
| Age | 0.0015 | 0.33 | −0.0016 0.0046 |
| Velocity | −0.0120816 | 0.73 | −0.082 0.058 |
| Experience | −0.0023301 | 0.27 | −0.0065 0.00185 |