Table 1 GAS and its concordance with the DSM-5 proposed criteria for Internet gaming disorder

Item 1

Have you thought all day long about playing a game ?

Preoccupation (item 1)

Item 2

Have you played longer than intended?

Withdrawal (item 5)

Item 3

Have you played games to forget about real life?

Tolerance (item 2)

Item 4

Have others unsuccessfully tried to reduce your time spent on games ?

Unsuccessful attempts to reduce or stop (item 4)

Item 5

Have you felt upset when you were unable to play ?

Loss of interests in other activities (7)

Item 6

Have you had arguments with others (e.g. family, friends) over your time spent on games ?

Continue despite problems (item 7)

Item 7

Have you neglected important activities (e.g. school, work, sports) to play games?

Deceived others (item 6)

Escape (item 3)

Lost relationships or opportunities