Table 3.

Means and standard deviations for gait parameters at initial and final baseline.

	Group	Initial	Final
Velocity (cm/s)	Normal BMI	120.56 (17.98)	130.78 (19.15)
	Overweight/Class I	108.35 (18.86)	113.03 (19.36)
	Class II	98.69 (12.35)	103.79 (15.61)
	Class III	92.53 (12.13)	93.65 (13.79)
Stance time (%GC)	Normal BMI	62.69 (3.46)	59.53 (5.00)
	Overweight/Class I	65.60 (1.60)	65.09 (2.31)
	Class II	62.89 (2.38)	62.25 (2.74)
	Class III	63.60 (1.96)	63.70 (1.96)
Swing time (%GC)	Normal BMI	39.87 (3.02)	39.54 (3.24)
	Overweight/Class I	36.10 (3.36)	36.31 (3.44)
	Class II	37.11 (2.38)	37.75 (2.74)
	Class III	36.40 (1.96)	36.30 (1.96)
CV velocity	Normal BMI	0.07 (.05)	0.03 (.01)
	Overweight/Class I	0.05 (.03)	0.02 (.01)
	Class II	0.06 (.03)	0.06 (.02)
	Class III	0.05 (.02)	0.06 (.03)
CV stance time	Normal BMI	0.04 (.02)	0.04 (.05)
	Overweight/Class I	0.02 (.04)	0.01 (.01)
	Class II	0.02 (.01)	0.02 (.01)
	Class III	0.02 (.01)	0.02 (.01)
CV swing time	Normal BMI	0.03 (.02)	0.04 (.06)
	Overweight/Class I	0.02 (.02)	0.02 (.01)
	Class II	0.04 (.01)	0.03 (.02)
	Class III	0.03 (.01)	0.03 (.01)

*CV=coefficient of variation. *GC=gait cycle.