TABLE 4.

Treatment Summery For Primary Outcome And Psychological Measures^*

			P value
	Graded Exercise Group	Graded Exposure Group	Interaction†	Time‡
Primary outcome measures
Pain intensity (0–10)			.81	<01
Pretreatment§	6.3 ± 1.2	4.6 ± 2.1
Posttreatment§	4.1 ± 2.5	2.6 ± 1.9
Pain related disability (0–100)			.44	<01
Pretreatment	56.0 ± 13.9	43.3 ± 12.5
Posttreatment	470 ± 171	38.0 ± 14.1
Psychologic measures
Fear of pain (30–150)			.25	.33
Pretreatment	63.3 ± 18.1	80.6 ± 22.0
Posttreatment	64.4 ± 22.0	677 ± 28.9
Fear-avoidance beliefs, physical activity (0–24)			.39	.08
Pretreatment	15.8 ± 6.2	171 ± 5.6
Posttreatment	14.4 ± 75	13.3 ± 6.9
Fear-avoidance beliefs, work (0–42)			.88	.78
Pretreatment	33.7 ± 6.8	30.6 ± 12.3
Posttreatment	32.6 ± 6.9	30.2 ± 10.3
Kinesiophobia (13–52)			.60	.10
Pretreatment	30.0 ± 5.8	32.1 ± 7.0
Post-treatment	26.0 ± 8.7	30.0 ± 9.1
Pain catastrophizing (0–36) Pretreatment	18.7 ± 10.9	14.8 ± 10.0	.70	<.01
Posttreatment	76 ± 8.9	5.9 ± 6.1
Depressive symptoms (0–63)			.92	<.01
Pretreatment	23.3 ± 10.2	28.1 ± 15.7
Posttreatment	6.5 ± 6.0	11.9 ± 10.9

^*All values reported as mean ± SD unless otherwise indicated.

^†Interaction refers to the P value for the group-by-time effect.

^‡Time refers to the P value for the pretreatment-posttreatment main effect.

^§Indicates significant group differences (P<.05).