Table 3.

Testing the mediation model of parent–child conflict.

Independent variable	Dependent variable	R2	β	t	95%CI
Smartphone dependence	Parent–child conflict	0.15	0.37	8.78***	[0.29, 0.46]
Smartphone dependence	Internet addiction	0.43	0.52	12.77***	[0.44, 0.60]
Parent–child conflict			0.29	6.82***	[0.21, 0.38]
Indirect effect			0.11		[0.62, 0.16]

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