Table 1.

Items of the ACSID-11 screener for specific Internet-use disorders (proposed English translation).

Item	Question
IC1	In the past 12 months, have you had trouble keeping track of when you started the activity, for how long, how intensely, or in what situation you did it, or when you stopped?
IC2	In the past 12 months, have you felt the desire to stop or restrict the activity because you noticed you were using it too much?
IC3	In the past 12 months, have you tried to stop or restrict the activity and failed with it?
IP1	In the past 12 months, have you given the activity an increasingly higher priority than other activities or interests in your daily life?
IP2	In the past 12 months, have you lost interest in other activities you used to enjoy because of the activity?
IP3	In the past 12 months, have you neglected or given up other activities or interests that you used to enjoy because of the activity?
CE1	In the past 12 months, have you continued or increased the activity even though it has threatened or caused you to lose a relationship with someone important to you?
CE2	In the past 12 months, have you continued or increased the activity even though it has caused you problems in school/training/work?
CE3	In the past 12 months, have you continued or increased the activity even though it has caused you physical or mental complaints/diseases?
FI1	Thinking about all areas of your life, has your life been noticeably affected by the activity in the past 12 months?
MD1	Thinking about all areas of your life, did the activity cause you suffering in the past 12 months?

Notes. IC = impaired control; IP = increased priority; CE = continuation/escalation; FI = functional impairment; MD = marked distress; The original German items can be found in Appendix A.