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Table 1 Measurement of time use and perceived problems related to computer-gaming, console-gaming, and internet use

From: Perceived problems with computer gaming and internet use among adolescents: measurement tool for non-clinical survey studies

Item wording Statements Response keys
How much do you agree or disagree in the following statements on computer gaming? 1. I think I spend way too much time playing computer games 1. Strongly agree
2. Partly agree
2. I get in bad mood when I cannot spend time on computer games 3. Neither/nor
4. Partly disagree
3. My parents tell me, I spend way too much time on computer gaming 5. Strongly disagree
How much do you agree or disagree in the following statements on use of the Internet for surfing and chatting (not for homework)? 4. I think I spend way too much time on internet communication and surfing 1. Strongly agree
2. Partly agree
5. I get in bad mood when I cannot spend time on internet communication and surfing 3. Neither/nor
4. Partly disagree
6. My parents say, that I spend way too much time on internet communication and surfing 5. Strongly disagree
How much do you agree or disagree in the following statements on console-gaming (PlayStation, Xbox, GameCube etc)? 7. I think I spend way too much time on console-gaming 1. Strongly agree
2. Partly agree
8. I get in bad mood when I cannot spend time on console-gaming 3. Neither/nor
4. Partly disagree
9. My parents tell me, I spend way too much time on console-gaming 5. Strongly disagree
In your leisure time: about how many hours a day do you usually spend playing computer or console games (PlayStation, Xbox, GameCube etc.)?   1. None at all*)
2. About ½ an hour a day,
3. About 1 hour a day
4. About 2 hours a day,
Responses were given separately for weekdays and weekends; we only use data about weekdays
5. About 3 hours a day
6. About 4 hours a day
7. About 5 hours a day
8. About 6 hours a day,
9. About 7 hours or more a day
In your free time: about how many hours a day do you usually use a computer for chatting on the internet: internet surfing, e-mailing or doing homework?   1. None at all**)
2. About ½ an hour a day,
3. About 1 hour a day
4. About 2 hours a day,
5. About 3 hours a day
Responses were given separately for weekdays and weekends; we only use data about weekdays
6. About 4 hours a day
7. About 5 hours a day
8. About 6 hours a day,
9. About 7 hours or more a day
  1. *)Trichotomized for analytical purposes. Due to varying distributions by gender it was not possible to apply similar cut-points for girls and boys. To ensure sufficient power in all strata the following cut-points were applied: Girls: level 1 = 0 hours/day, level 2 = ½ hour/day, level 3 = 1 hour or more/day; Boys: level 1 = 0-½ hours/day, level 2 = 1 hour/day, level 3 = 2 hours or more/day. We use the label ‘high time use’ for level 3.
  2. **)level 1 = 0-½ hours/day, level 2 = 1 hour/day, level 3 (high time use) = 2 hours or more/day for both boys and girls.