Table 2.

Pearson correlation coefficients between demographic, sleep measures, IL-6 and CRP, sleep HRV parameters.

	IL-6	CRP
Gender	−.184	−.142
Body mass index	.287**	.319**
Age	.192	.122
CAPS	−.017	−.015
TST	−.012	−.034
REM (%)	−.027	−.098
N3 (%)	−.012	−.060
Pre-sleep LF/HF	.376**	.154
First NREM LF/HF	.347**	.085
Last NREM LF/HF	.142	.149
First REM LF/HF	.349**	.237*
Last REM LF/HF	.026	.137
Pre-sleep SDRR	−.258**	−.152
First NREM SDRR	−.124	−.119
First REM SDRR	−.032	−.069
Last NREM SDRR	−.070	−.175
Last REM SDRR	−.122	−.145

Note.

^*p < .05,

^**p < .01,

^***< .001. n varied between 75 and 94 due to missing data. Gender code: 0 = women, 1= men IL-6 = interleukin-6. CRP = C-reactive protein. LF/HF = low frequency to high frequency ratio. SDRR = Standard deviation of R-R interval. TST = Total sleep time.