Table 3 Factor loadings and proportion of variance explained by each domain for the 16 gait variables included in the analysis

Pace/Rhythm:

Gait speed

-.721

-.353

.218

-.110

Step time

.978

-.394

-.224

-.052

Single support %

-.495

-.473

.161

-.224

Double support time

.857

.108

-.194

.100

SD step time

.888

.057

.162

.066

SD single support time

.847

.031

.168

.028

SD double support time

.855

.108

.129

.048

Postural control:

Walk ratio

-.135

-.900

.019

-.177

Step length

-.436

-.653

.155

-.148

Step width

.051

.635

.122

-.078

Variability:

SD step velocity

.036

.237

.820

.095

SD step length

.508

.149

.660

.028

SD step width

-.159

-.163

.666

-.013

Asymmetry:

Step length asymmetry

-.062

.215

-.070

.725

Step time asymmetry

.028

-.121

.089

.935

Single support asymmetry

.024

-.109

.016

.953