Table 4 Mediation analysis of psychological factors (loneliness, sadness, and nervousness).

From: Loneliness mediates the association between sleep deficiency and fighting in school-aged adolescents: a 2-year longitudinal study

Type of effect

Mediation pathway

Effect size

SE

Bootstarp 95% CI

P value

Ratio of effect

Direct effect

Sleep deficiency→Fighting behavior

0.076

0.022

0.035, 0.119

< 0.001

71.70%

Mediation effect

Sleep deficiency→loneliness→Fighting behavior

0.013

0.007

0.001, 0.027

0.042

12.26%

Sleep deficiency→sadness→Fighting behavior

0.007

0.005

-0.002, 0.017

0.156

6.60%

Sleep deficiency→nervousness→Fighting behavior

0.009

0.005

0.000, 0.021

0.058

8.49%

Total mediation effect

 

0.030

0.007

0.016, 0.045

< 0.001

28.3%

Total effect

 

0.106

0.021

0.064, 0.146

< 0.001