Table 4.

Mediation analysis results, taking war media exposure as the independent variable, depression/perceived stress as the mediators and the insomnia as the dependent variable

	Direct effect			Indirect effect
Mediator	Beta	SE	p	Beta	Boot SE	Boot CI
Depression	− 0.01	0.01	0.178	0.05	0.01	0.04; 0.07*
Perceived stress	0.02	0.01	0.098	0.02	0.004	0.016; 0.031*

*indicates significant mediation. Direct effect refers to the direct association between war media exposure and insomnia without the effect of the mediator, whereas the indirect effect refers to the same association through the mediators (depression / perceived stress)