Males are more sensitive to reward and less sensitive to loss than females among people with internet gaming disorder: fMRI evidence from a card-guessing task

Table 1 Demographic information and group differences

	IGD		RGU		F	P
	Male (n = 29)	Female (n = 25)	Male (n = 36)	Female (n = 21)	F	P
Age (mean ± SD)	22.77 ± 2.22	21.25 ± 1.56	23.33 ± 2.04	22.37 ± 1.88	0.032	0.992
IAT score (mean ± SD)	74.86 ± 12.33	66.84 ± 10.07	31.86 ± 9.31	53.81 ± 11.32	52.175	0.000***
DSM-5 score (mean ± SD)	5.80 ± 1.68	5.72 ± 1.07	2.45 ± 1.61	2.41 ± 1.30	44.989	0.000***
Game playing per week (hours) (mean ± SD)	18.33 ± 2.66	17.50 ± 3.39	18.17 ± 1.83	17.33 ± 2.33	0.197	0.898
Gaming history (months) (mean ± SD)	27.38 ± 10.30	24.95 ± 7.05	25.50 ± 9.01	25.94 ± 8.21	0.259	0.855
Educations (years) (mean ± SD)	14.72 ± 1.41	14.56 ± 1.50	15.22 ± 1.31	14.72 ± 1.32	0.780	0.509

IGD, Internet gaming disorder, RGU Recreational Internet game users, IAT Internet addiction test
∗∗∗p < 0.001

ISSN: 1471-244X