Table 4.

Analysis of observable psychiatric symptoms during the in-depth interview^* (n=21)

Variables	Total (%)	Male (%)	Female (%)
Depressive mood	4 (19.05)	1 (4.76)	3 (14.29)
Anxiety	3 (14.29)	2 (9.52)	1 (4.76)
Insomnia	4 (19.05)	2 (9.52)	2 (9.52)
Nightmare	2 (9.52)	2 (9.52)	0 (0.00)
Difficulty of concentration	1 (4.76)	1 (4.76)	0 (0.00)
Phobia	2 (9.52)	1 (4.76)	1 (4.76)
Aggression	1 (4.76)	1 (4.76)	0 (0.00)
Game addiction	1 (4.76)	1 (4.76)	0 (0.00)

^*multiple response items; grade response percentages are based on the total sample