Table 3

Multiple regression summary. Determinants of change in the dimensions of the SF-36 between baseline and month 3

	Intercept	Age	Sex	Baseline score	Duration of OA	Number of comorbidities at baseline
*p<0.05.
General health	13.06*	0.007	0.74	−0.25*	−0.08	−1.07*
Physical functioning	20.46*	−0.09	2.05	−0.21*	−0.14	−1.45*
Mental health	13.56*	0.05	−0.78	−0.24*	−0.09	−0.49
Pain	29.89*	−0.06	2.09	−0.37*	−0.23*	−1.6*
Role emotional	25.91*	0.005	1.95	−0.4*	−0.02	−1.57
Role physical	34.59*	−0.05	3.26	−0.44*	−0.41*	−2.56*
Social functioning	26.32*	−0.08	0.36	−0.31*	−0.01	−0.41
Vitality	−8.47*	0.008	−0.31	0.76*	−0.17*	−0.35