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Playing time of game on weekday and weekend (%). χ2-test, hour/day, weekday: χ2=6.8, p<0.001, weekend: χ2=12.2, p<0.001. post hoc test: 3-6 hours playing game on weekday: RPG=RTS=FPS>Sports on weekday, over 3 hour playing game on weekend: RPG=FPS>RTS>Sports. RPG: role playing game, RTS: real time strategy, FPS: first person shooting game.
