Table 5.

Change in disability from pretreatment to 3-month follow-up: hierarchical regression analyses

Regression model	Predictors	R2	B	SEB	β	P
Criterion
	Model 1	0.28
	Sex		6.0	3.2	0.24	0.07
	Marital status		−1.42	1.52	−0.12	0.35
	Pain history (years)		−0.46	0.20	−0.29	0.03*
	Frequency of pain		−0.57	2.95	−0.02	0.84
	Disability		0.27	0.10	0.34	0.01*
	Model 2	0.33
	Sex		3.05	3.68	0.12	0.41
	Marital status		−1.18	1.52	−0.10	0.44
	Pain history (years)		−0.35	0.21	−0.23	0.10
Change in disability (T0–T2)	Frequency of pain		0.11	2.95	0.005	0.97
	Disability		0.17	0.12	0.20	0.19
	Change in pain intensity (T0–T1)		1.03	0.94	0.15	0.28
	Change in disability (T0–T1)		0.26	0.17	0.27	0.13
	Model 3	0.74
	Sex		3.05	3.68	0.12	0.41
	Marital status		−1.18	1.52	−0.10	0.44
	Pain history (years)		−0.35	0.21	−0.23	0.10
	Frequency of pain		0.11	2.95	0.005	0.97
	Disability		0.17	0.12	0.20	0.19
	Change in pain intensity (T0–T1)		1.03	0.94	0.15	0.28
	Change in disability (T0–T1)		0.26	0.17	0.27	0.13
	Change in depression (T0–T1)		0.48	0.15	0.35	0.004**
	Change in pain acceptance (T0–T2)		0.44	0.15	0.31	0.007**
	Change in pain catastrophizing (T0–T2)		0.60	0.25	0.26	0.02*
	Change in depression (T0–T2)		0.51	0.20	0.35	0.01*

Notes:

^**P<0.01;

^*P<0.05.