Skip to main content

Table 2 Multiple regression analysis with inflammatory markers (IL-6 and CRP) as dependent variables

From: Sleep characteristics and inflammatory markers in women with post-traumatic stress disorder

 

delta IL-6 as dependent variable

delta CRP as dependent variable

Independent variables

Coefficient

B

t

p

95% confidence interval

Coefficient

B

t

p

95% confidence interval

Lower

bound

Upper

bound

Lower

bound

Upper

bound

Constant

-1.613

-0.754

0.462

-6.173

2.946

0.272

0.153

0.880

-3.489

4.032

Delta TST

0.000

-0.052

0.959

-0.006

0.006

0.001

0.588

0.565

-0.004

0.006

Delta N3%

0.052

1.119

0.281

-0.047

0.150

0.007

0.190

0.851

-0.069

0.083

Delta AI

0.250

2.503

0.024

0.037

0.463

0.132

1.592

0.131

-0.044

0.307

BMI

0.067

0.850

0.408

-0.101

0.236

0.095

1.445

0.168

-0.045

0.235

Delta ISI

0.071

1.159

0.265

-0.060

0.202

0.146

2.824

0.012

0.036

0.255

Delta PSQI

-0.218

-1.594

0.132

-0.510

0.073

-0.021

-0.186

0.854

-0.264

0.221

Delta CAPS

0.006

0.204

0.841

-0.054

0.065

-0.011

-0.493

0.629

-0.061

0.038

Delta BDI

0.007

0.249

0.807

-0.052

0.066

-0.035

-1.501

0.153

-0.084

0.014

R2 = 0.31

R2 = 0.52

  1. Abbreviations: TST = Total Sleep Time; N3% = N3 sleep percentage; AI = Arousal Index, BMI = Body mass index, BDI = Beck Depression
  2. Inventory, PSQI = Pittsburgh Sleep Quality Index; ISI = Insomnia Severity Index; CAPS-5 = Clinician-Administered PTSD Scale
  3. CRP = C reactive protein; IL-6 = interleukin 6, Delta = delta values (score change from T2-T1)