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Table 4 Total, direct and indirect effect of insomnia on QOL

From: Effects of insomnia and levels of depression and anxiety symptoms on quality of life in people with epilepsy

Effects on QOL

Variables

B

SE

P

Bootstrap 95% CI

LL

UL

Total effect (c)

Insomnia

- 1.08

0.11

 < 0.001a

  

Direct effect (c')

Insomnia

- 0.70

0.12

 < 0.001a

  

Indirect effect

a × b

- 0.37

0.08

 

- 0.54

- 0.23

 

Insomnia (a)

0.31

0.04

 < 0.001a

  
 

Depression symptom levels (b)

- 1.22

0.21

 < 0.001a

  
  1. Unstandardized regression coefficients are reported. Bold data show statistical significance (P < 0.05,or Bootstrap 95% CI does not contain zero)
  2. LL Lower limit, UL Upper limit, CI Confidence interval, QOL Quality of life
  3. a Linear regression analysis