Table 2.

Comparison of intervention and control groups and change from baseline to 6 months

	Control	Intervention	P value*
Treadmill walk, maximum pain distance meters	39.2 (19.6)	24.5 (19.6)	0.598
Treadmill walk, onset of pain distance meters	52.3 (23.6)	66.7 (21.0)	0.651
Exercise behavior score	35.0 (13.3)	55.3 (17.1)	0.349
Walking distance	1.4 (3.3)	5.6 (3.5)	0.383
Walking speed	−1.9 (2.8)	5.7 (2.2)	0.034
Stair climbing	2.9 (2.8)	6.0 (3.5)	0.487
Physical functioning§	−0.5 (1.9)	4.5 (1.9)	0.063
Role-physical	−7.4 (5.6)	4.0 (4.6)	0.120
Bodily pain	2.2 (4.2)	5.5 (3.7)	0.568
General health	0.9 (1.6)	1.6 (2.0)	0.769
Vitality	1.2 (2.2)	1.1 (2.2)	0.985
Social functioning	−4.2 (2.6)	−2.9 (2.5)	0.717
Role-emotional	−7.8 (4.3)	2.9 (4.2)	0.080
Mental health	−2.4 (1.5)	3.2 (1.5)	0.010
Geriatric depression scale	0.0 (0.2)	−0.3 (0.2)	0.380

Data are mean (SE).

*P value from a t test;

§physical functioning, role-physical, bodily pain, general health, vitality, social functioning, role-emotional, and mental health are captured by the MOS SF-36.