Table 3.

Pearson's correlations between the rsFC of the right IFG and variables related to PSU and personality, while merging data from the PSU and CON groups

	rsFC				BSCS
	R. IFG-L.PHG	R. IFG-R.PHG	R. IFG-L.AMY	R. IFG-R.HIP
SAPS	−0.330**	−0.358**	−0.293**	−0.339**	−0.671**
Disturbance of adaptive function	−0.375**	−0.287**	−0.325**	−0.258*	−0.659**
Withdrawal	−0.205*	−0.324**	−0.190	−0.301**	−0.488**
Tolerance	−0.312**	−0.333**	−0.305**	−0.349**	−0.662**
SAS	−0.229*	−0.265*	−0.183	−0.343**	−0.0597**
Time for smartphone use per week (h)	−0.162	−0.189	−0.056	−0.285**	−0.407**
BSCS	0.213*	0.279**	0.251*	0.140	1

*P < 0.01, **P < 0.001.

SAPS = Smartphone Addiction Proneness Scale; SAS = Smartphone Addiction Scale; BSCS = Brief Self-Control Scale. The three subscales used for SAPS cut-off are specified.