Table 5.

Moderated mediation effect analysis of LBE on MPAI (n = 1268).

Regression Equation		Overall Fit Index			Significance of Regression coefficient
Outcome variable	Predictive variable	R2	F	P	B	t	P
MPAI	Constant	0.012	5.067	0.0017	47.773	12.36	<0.001
	LBE				−3.467	−3.842	0.001
	Age				0.046	0.244	0.808
	Grade				−0.193	−0.424	0.672
IAS	Constant	0.0095	4.034	<0.001	41.991	15.971	<0.001
	LBE				−1.556	−2.535	0.011
	Age				0.164	1.273	0.203
	Grade				0.480	1.552	0.121
MPAI	Constant	0.261	74.265	<0.001	47.671	13.994	<0.001
	IAS				0.743	20.613	<0.001
	LBE				−2.122	−2.691	0.007
	Sex				−1.550	−2.176	0.03
	Sex*IAS				−0.160	−2.079	0.038
	Age				−0.043	−0.262	0.793
	Grade				−0.405	−1.013	0.311

Abbreviations: IAS, interaction anxiousness scale; MPAI, mobile phone addiction index. LBE, left-behind experience (Yes = 1; No = 2). Sex: male = 1; female = 2.