Table 4.

Mediating effect of sleep status on the association between screen time and mental health status (depression, anxiety and loneliness)

	Depression, OR (95% CI)				Anxiety, OR (95% CI)
	X→Y	X+M→Y	Indirect effect (95% CI)	Proportion of mediation (%)	X→Y	X+M→Y	Indirect Effect (95% CI)	Proportion of mediation (%)
Screen time, hour	1.118 (1.072 to1.166)***	1.115 (1.066 to 1.166)***	0.017 (0.016 to 0.033)*	13.73%	1.079 (1.023 to 0.138)**	1.067 (1.010 to 1.128)*	0.016 (0.001 to 0.031)*	19.68%
Sleep status, bad versus good		5.044 (3.746 to 6.793)***				4.449 (2.781 to 7.117)***

*p<0.05, **p<0.01, ***p<0.001.