Table 3.

Rotated factor loadings of eight gait variables using factor analysis

Gait Variable	Gait Domain
	Rhythm	Pace	Variability
Walking while talking, n=330
Swing, %	0.95a	0.06	0.14
Step length, cm	0.80a	0.13	−0.33
Double support, %	−0.90a	−0.23	0.11
Stance, %	−0.95a	−0.06	−0.14
Cadence, steps per 1 min	0.19	0.94a	−0.03
Speed, cm/s	0.60	0.73a	−0.22
Swing time SD, s	0.20	−0.65a	0.59
Step time SD, s	−0.08	−0.10	0.91a
Variance explained, %	46	24	17
DTC, n=326
Swing DTC, %	0.95a	−0.02	0.09
Step length DTC, %	0.63a	0.26	−0.45
Double-support DTC, %	−0.79a	−0.27	0.10
Stance DTC, %	−0.94a	0.05	−0.10
Cadence DTC, %	0.16	0.93a	0.08
Speed DTC, %	0.39	0.89a	−0.09
Swing time SD DTC, %	0.38	−0.74a	0.27
Step time SD DTC, %	0.03	−0.03	0.93a
Variance explained, %	39	30	15

Factor analysis was performed using the principal component method with varimax rotation. Step time SD DTC, n=327; swing time SD DTC, n=329. DTC, dual-task cost.

^aThe highest loading variables.