Table 2.

Adjusted mean changes form baseline to week 12 and differences between group-changes with confidence intervals (CI)^a

Variable	Treatment Group	Mean Change (95% CI)	Mean Difference (95% CI)
			Shared vs. Dual	Shared vs. Medical	Dual vs. Medical
Roland Morris Disability	Shared	2.8 (1.6 to 4.0)	0.3 (−1.5 to 2.0)	1.3 (−0.5 to 3.0)	1.0 (−0.8 to 2.8)
	Dual	2.5 (1.3 to 3.7)
	Medical	1.5 (0.2 to 2.8)
NRS-Average	Shared	1.8 (1.0 to 2.6)	−1.2 (−2.3 to −0.1)	−0.5 (−1.7 to 0.6)	0.7 (−0.4 to 1.8)
	Dual	3.0 (2.3 to 3.8)
	Medical	2.3 (1.5 to 3.2)
NRS-Worst	Shared	2.1 (1.3 to 2.9)	−0.8 (−1.8 to 0.3)	−0.2 (−1.3 to 0.9)	0.6 (−0.5 to 1.7)
	Dual	2.9 (2.1 to 3.6)
	Medical	2.3 (1.5 to 3.1)
LBP Bothersomeness	Shared	0.8 (0.4 to 1.1)	−0.2 (−0.6 to 0.3)	0.2 (−0.3 to 0.6)	0.3 (−0.1 to 0.8)
	Dual	0.9 (0.6 to 1.2)
	Medical	0.6 (0.3 to 0.9)
FABQ-Work or Daily Activity	Shared	3.5 (0.7 to 6.3)	0.6 (−3.4 to 4.5)	2.6 (−1.5 to 6.7)	2.1 (−2.0 to 6.1)
	Dual	2.9 (0.2 to 5.7)
	Medical	0.9 (−2.1 to 3.9)
FABQ-Physical Activity	Shared	1.6 (−0.3 to 3.5)	−0.7 (−3.4 to 1.9)	0.6 (−2.2 to 3.4)	1.4 (−1.4 to 4.2)
	Dual	2.3 (0.4 to 4.2)
	Medical	0.9 (−1.1 to 3.0)
Timed Up & Go	Shared	0.9 (0.0 to 1.9)	0.4 (−1.0 to 1.7)	1.3 (−0.1 to 2.7)	0.9 (−0.5 to 2.3)
	Dual	0.5 (−0.4 to 1.5)
	Medical	−0.4 (−1.4 to 0.7)

^aValues estimated from a mixed-effects model using all observed data and an unstructured covariance

NRS 0 to 10 numerical rating scale, LBP Low back pain, FABQ Fear Avoidance Beliefs Questionnaire