Table 3.

Significant independent variables (Parental control and Self-control) in the first dimension (interpersonal communication) of smartphone use

Independent variable	Variable	Number	Mean	SD	F value	A posteriori comparison
Parental control	(1) Strict	46	3.13	1.17	11.82***	3 > 1,2
	(2) Conditional	355	3.51	0.99
	(3) None	98	3.93	0.84
Self-control	(1) Proactive high self-control	278	3.47	0.05	18.88***	1,3,4 > 2
	(2) Reactive high self-control	66	2.95	0.11
	(3) Proactive low self-control	122	3.98	0.08
	(4) Reactive low self-control	34	3.91	1.16

^*** p < .001