. Author manuscript; available in PMC: 2009 Nov 15.

Published in final edited form as: Pain. 2008 Sep 7;140(1):135–144. doi: 10.1016/j.pain.2008.07.024

Table 2.

Results of hierarchical linear regression model predicting IL-6 reactivity to acute pain

Step	Predictor Variable	R² Change	F Change	Standardized β	p-value
1	Sex	.03	0.8	−.14	.35
	Mean Pain Rating			.07	.68
2	PCS	.02	0.4	−.07	.70
	BDI			.09	.63
3	Situation-Specific	.35	19.9	.75	.001
	Catastrophizing

Note. IL-6= Interleukin-6, PCS= Pain Catastrophizing Scale; BDI= Beck Depression Inventory