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. Author manuscript; available in PMC: 2019 Apr 1.

Published in final edited form as: Clin J Pain. 2018 Apr;34(4):332–338. doi: 10.1097/AJP.0000000000000540

Table 4.

Multivariate linear regression model: Change in pain between 6 weeks and 6 months.

Variable and Step		β	p - value
Step 1
Range of motion (ROM) pain		0.57^*	0.00

	F (1, 185) =	86.61, p =.00,	Adjusted R² = 0.32

Step 2
ROM pain		0.64^*	0.00
Anxiety		−0.15^*	0.02
Pain Catastrophizing		−0.18^*	0.01

	F (3, 183) =	38.81, p =.00,	Adjusted R² = 0.38

^*

p < .05