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Table 3 Distribution of included variables

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

  Girls Boys
  All girls n = 1069 5th grade n = 389 7th grade n = 397 9th grade n = 283 All boys n = 1031 5th grade n = 366 7th grade n = 378 9th grade n = 287
Gaming on computer or console: hours per weekday % % % % % % % %
0 hour 38.5 20.1 38.3 64.0 8.2 4.1 9.0 12.2
½ hour 26.9 37.8 23.4 16.6 15.1 17.2 14.6 13.2
1 hour 18.3 24.9 17.4 10.6 21.1 24.9 20.4 17.1
2 hours 8.2 10.0 9.8 3.5 21.5 23.5 21.2 19.5
3+ hours 6.2 5.7 8.3 3.9 31.5 26.2 33.6 35.5
Missing 2.0 1.5 2.8 1.4 2.6 4.1 1.3 2.4
Internet use: hours per weekday         
0 hour 10.5 20.3 6.8 2.1 14.4 28.4 10.6 1.4
½ hour 24.0 33.7 20.4 15.6 27.2 32.5 25.9 22.0
1 hour 26.4 27.0 24.4 28.3 22.1 18.0 25.7 22.7
2 hours 20.0 11.8 24.4 25.1 16.0 11.2 15.9 22.3
3+ hours 17.0 5.4 20.7 27.9 17.8 6.6 20.6 28.6
Missing 2.2 1.8 3.3 1.1 2.5 3.3 1.3 3.1
Family social class         
High 42.4 40.9 43.6 42.8 43.6 40.7 45.0 45.3
Middle 27.6 23.7 29.2 30.7 25.6 24.6 24.6 28.2
Low 16.2 16.2 15.4 17.3 12.7 11.2 13.8 13.2
Non-classifiable 12.3 18.0 10.1 7.4 16.1 21.9 13.8 11.9
Missing 1.6 1.3 1.8 1.8 2.0 1.6 2.9 1.4
Migration status         
Natives 82.0 84.1 82.1 78.8 83.2 83.6 83.3 82.6
Migrants 5.1 4.1 6.1 5.0 5.3 4.6 4.8 7.0
Descendants 12.4 11.6 10.8 15.6 10.1 9.8 10.9 9.4
Missing 0.7 0.3 1.0 0.7 1.4 1.9 1.1 1.1
Family structure         
Traditional 53.8 53.2 53.9 54.4 56.7 60.7 53.7 55.8
Single 20.2 19.3 21.9 19.1 20.0 16.9 20.1 23.7
Reconstructed 10.4 8.0 10.3 13.8 7.8 5.7 7.9 10.1
Other 0.9 1.0 0.8 1.2 0.5 0.6 0.3 0.7
Missing 14.7 18.5 13.1 11.7 15.0 16.1 18.0 9.8