Table 6.

Mediator analysis of immersive tendency, childhood ADHD, POG, and PIU

Outcome	Detecting steps in mediation model	B	SE B	β	R2
POG	Step 1 (path c)
	Outcome: POG
	Predictor: IT	0.437	0.085	0.592***	0.351
	Step 2 (path a)
	Outcome: childhood ADHD
	Predictor: IT	0.715	0.125	0.633***	0.401
	Step 3 (paths b and c’)
	Outcome: POG
	Mediator: childhood ADHD (path b)	0.363	0.083	0.557***
	Predictor: IT (path c’)	0.177	0.094	0.24	0.537
PIU (IAT)	Step 1 (path c)
	Outcome: POG
	Predictor: IT	0.531	0.087	0.659***	0.434
	Step 2 (path a)
	Outcome: childhood ADHD
	Predictor: IT	0.715	0.125	0.633***	0.401
	Step 3 (paths b and c’)
	Outcome: POG
	Mediator: childhood ADHD (path b)	0.271	0.092	0.380**
	Predictor: IT (path c’)	0.337	0.104	0.418**	0.521

^**p<0.01,

^***p<0.001.

IT: immersive tendency, POG: problematic online gaming, PIU: problematic Internet use, IAT: Internet Addiction Test, ADHD: attention deficit/hyperactivity disorder