Improvement in Disability Mediates the Effect of Self-Efficacy on Pain Relief in Chronic Low Back Pain Patients with Exercise Therapy

Table 3

Comparisons of changes in pain and disability between the control group and the exercise group during a 3-month follow-up.

	F value (time)	(time)	F value (timeexercise)	(timeexercise)
NRS
Baseline	32.8	<0.0001	2.43	0.12
3 months
PDAS
Baseline	7.83	0.006	5.87	0.02
3 months

NRS, Numerical Rating Scale of pain; PDAS, Pain Disability Assessment Scale. P, repeated measures analysis of variance.