Table 3. General model and low-speed-specific model for walking speed estimation based on data from the model derivation sets.

	General Model (n = 462)
	β (SE)	B	t	p
Gender	2.93 (.970)	.087	3.03	.003
Age	-.365 (.074)	-.100	-4.93	< .001
Cadence	1.09 (.040)	.581	27.6	< .001
Vertical displacement	12.7 (.478)	.582	26.5	< .001
Foot length	3.16 (.331)	.273	9.56	< .001
Constant	-105.5 (12.0)		-8.78	< .001
	Low Speed Model (n = 89)
	β (SE)	B	t	p
Age	-.237 (.149)	-.111	-1.59	.115
Cadence	.874 (0.11)	.628	8.06	< .001
CV Step time	-.520 (0.23)	-.153	-2.23	.028
Vertical displacement	18.8 (1.91)	.713	9.84	< .001
Foot length	.908 (0.55)	.121	1.66	.101
Constant	-50.4 (22.4)		-2.25	.027

Note. Body weight is in kg. Leg length, upper body length, and vertical displacement are in cm.

CV, Coefficient of Variance; SE, Standard Error