. Author manuscript; available in PMC: 2012 Jan 1.

Published in final edited form as: Brain Behav Immun. 2010 Jul 23;25(1):53–58. doi: 10.1016/j.bbi.2010.07.245

Table 3.

Final Hierarchical Regression Analysis Demonstrating that SWS Mediates the Relationship Between Evening IL-6 Production and Fatigue (N=31)

Variable	B	SEB	β	R²	ΔR²
Block 1				0.10	0.10
BMI	−0.32	0.57	−0.10
Age	0.25	0.24	0.182
Gender	−6.48	4.67	−0.25
Ethnicity	0.24	1.39	0.03
Block 2				0.32	0.22*
IL-6 Production	−.59	0.45	−0.22
SWS	6.38	2.44	0.55