Table 3.

Posttest values of primary and secondary outcomes by group and results of repeated-measures analysis of variance^*

	Ex + Ed	Ex + AST	Time × group, F(df)	P	d
Pain
WOMAC pain	5.1 ± 4.0	5.2 ± 2.9	0.6 (1,43)	0.47	0.03
Physical activity
Peak PA	635.4 ± 172	739.3 ± 271	5.9 (1,42)	0.02	0.30
CHAMPS total PA	2,589.6 ± 1,778	3,217.8 ± 2,539	0.002 (1,44)	0.97	0.09
Objective total PA	205,247.6 ± 84,856	211,764.5 ± 92,863	3.3 (1,42)	0.08	0.24
Arthritis self-efficacy
Pain and other symptoms	6.9 ± 2.4	6.9 ± 2.1	0.34 (1,43)	0.56	0
Physical function
Timed Up and Go Test, seconds	11.7 ± 3.9	13.8 ± 7.5	0.04 (1,44)	0.85	0.35
6-Minute Walk Test, meters	346.6 ± 97.6	301.0 ± 105.9	0.32 (1,46)	0.57	0.45

^*All analyses were adjusted for the site where the intervention was given. Ex + Ed = exercise plus health education; Ex + AST = exercise plus activity strategy training; WOMAC = Western Ontario and McMaster Universities Osteoarthritis Index; PA = physical activity; CHAMPS = Community Healthy Activities Model Program for Seniors questionnaire.