Table 3.

coefficients of mediation analysis

Pathway	std. Estimate	z	SE	95% CI1
Total effect	−0.925**	−3.130	0.296	−1.510, −0.360
Direct effect	−2.353**	−3.161	0.744	−3.561, −1.237
Indirect effect
LD → IU → DS (2)	1.589*	2.225	0.714	0.730, 2.807
LD → FS → DS (3)	−0.162*	−1.995	0.081	−0.341, −0.017
Dominant Pathway Test
(2) + (3)	1.427*	2.015	0.708	0.562, 2.584
(2)–(3)	1.751*	2.400	0.729	0.861, 2.994

N.B. (2): Lockdown policy → internet use → depressive symptoms; (3): Lockdown policy → family support → depressive symptoms; ¹: 95% CI was calculated using bias-corrected bootstrap with 10000 bootstrap samples; *: p < 0.05, **: p < 0.01