Table 4.

Standardized Regression Coefficients of Cytokines and PSQI Global and Subscale Scores in Women with CFS/ME Controlling for Age, Education, and BMI

	Global	Sleep Quality	Sleep Latency	Sleep Duration^a	Sleep Disturbances
IL-1β	.258^*	.122	.281^*	.245^*	.156
IL-6	.281^*	.199	.297^*	.268^*	.266^*
TNF-α	.263^*	.043	.209	.282^*	.081

Significant at the p<0.05 level;

^**

Significant at the p<0.01 level

Higher PSQI Sleep Duration Scores Indicate Shorter Sleep Duration