Table 2.
The 20-item Internet Addiction Test results from principal component analysis.
| Items | Estimated factor loadings (95% bootstrap CI) | |
|
|
Poker players (n=107) | WoW players (n=460) |
| 1. How often do you find that you stay in-game longer than you intended? | .65 (.52-.75) | .49 (.38-.58) |
| 2. How often do you neglect household chores to spend more time in-game? | .67 (.54-.77) | .73 (.68-.77) |
| 3. How often do you prefer the excitement of the game to intimacy with your partner? | .71 (.54-.84) | .41 (.29-.52) |
| 4. How often do you form new relationships with fellow game users? | 0 (-.20 to .20) | .26 (.14-.37) |
| 5. How often do others in your life complain to you about the amount of time you spend in-game? | .73 (.59-.86) | .61 (.53-.67) |
| 6. How often do your grades or school work suffer because of the amount of time you spend in-game? | .29 (.04-.55) | .50 (.41-.59) |
| 7. How often do you check your email before something else that you need to do? | .60 (.35-.76) | .67 (.60-.73) |
| 8. How often does your job performance or productivity suffer because of the game? | .63 (.38-.80) | .66 (.57-.73) |
| 9. How often do you become defensive or secretive when anyone asks you what you do in-game? | .65 (.42-.82) | .52 (.42-.61) |
| 10. How often do you block out disturbing thoughts about your life with soothing thoughts about the game? | .72 (.57-.84) | .68 (.62-.74) |
| 11. How often do you find yourself anticipating when you will go in-game again? | .57 (.39-.71) | .69 (.64-.73) |
| 12. How often do you fear that life without the game would be boring, empty, and joyless? | .56 (.32-.73) | .64 (.54-.71) |
| 13. How often do you snap, yell, or act annoyed if someone bothers you while you are in-game? | .62 (.38-.77) | .63 (.55-.70) |
| 14. How often do you lose sleep due to late-night log-ins? | .68 (.48-.80) | .64 (.58-.69) |
| 15. How often do you feel preoccupied with the game when offline, or fantasize about being in-game? | .64 (.46-.77) | .69 (.62-.74) |
| 16. How often do you find yourself saying "just a few more minutes" when in-game? | .65 (.45-.78) | .57 (.50-.63) |
| 17. How often do you try to cut down the amount of time you spend in-game and fail? | .77 (.62-.87) | .52 (.41-.61) |
| 18. How often do you try to hide how long you've been in-game? | .80 (.64-.89) | .55 (.45-.63) |
| 19. How often do you choose to spend more time in-game over going out with others? | .69 (.53-.81) | .64 (.56-.71) |
| 20. How often do you feel depressed, moody, or nervous when you are offline, which goes away once you are back in-game? | .79 (.67-.86) | .72 (.64-.77) |