Table 2.

Functional mobility tests and gait in overweight older adults with chronic low back pain Values are means ± SD or % of the group. * p<0.05; different from the overweight group

	Overweight	Moderately	Severely	p
(sig)
		Obese	Obese
Walking endurance (min)	14.2 ± 4.5	12.0 ± 4.3	11.7 ± 4.2	0.16
Chair rise time (sec)	1.1 ± 0.5	1.1 ± 0.5	0.9 ± 0.4	0.65
Stair climb time (sec)	5.3 ± 1.4	5.7 ± 1.8	6.0 ± 3.2	0.80
Gait parameters
Walking velocity (cm/sec)	117 ± 15	115 ± 26	104 ± 18	0.18
Cadence (steps/min)	109 ± 8.8	109 ± 13	104 ± 6	0.33
Stride length (cm)	130 ±18	120 ± 29	120 ± 1	0.41
Base of support (cm)	8.4 ± 3.1	10.3 ± 3.9	13.1 ± 5.1	* 0.01
Single support time (%)	35.6 ±1.5	34.4 ± 2.1	32.5 ± 2.3	* 0.0001
Double support time (%)	28.8 ± 2.9	31.5 ± 4.0	34.9 ± 4.0	* 0.0001
Toe out angle, left (°)	5.3 ± 5.2	6.1 ± 5.7	6.4 ± 5.4	0.25
Toe out angle, right (°)	8.2 ± 5.2	9.4 ± 5.5	6.9 ± 6.1	0.25
Fastest walking velocity	163 ± 23	155 ± 24	155 ± 31	0.59
(cm/sec)