Table 4.

Mediation analysis (N = 826).

	Model 1(Depression)		Model 2 (Loneliness)		Model 3(Depression)		Indirect effect of loneliness
	β	t	β	t	β	t		Indirect effect	SE	LLCI	ULCI
Perceived social support	−0.327***	−9.934	−0.487***	−16.050	−0.163***	−4.533	Loneliness	−0.164	0.022	−0.209	−0.122
Loneliness					0.337***	9.353
${\text{R}}_{\text{adj}}^2$	0.125		0.257		0.210
F	16.751***		40.314***		27.140***

All models are adjusted for age, sex, parental highest educational attainment, perceived family economic status, family structure, and only-child status.

^***P < 0.001.