Table 3.
Gaming costs and time characteristics
| Normal comparison group (n = 511) | Problematic Internet game user group (n = 511) | t-Test | ||||
| Characteristics | Mean | SD | Mean | SD | t-Value | Significance |
| Average weekday gaming time | 1.95 | 2.051 | 2.92 | 2.733 | –6.382 | p < .001 |
| Average weekend and holiday gaming time | 2.77 | 3.369 | 4.19 | 3.551 | –6.516 | p < .001 |
| Maximum gaming time | 3.65 | 4.648 | 5.86 | 7.103 | –5.884 | p < .001 |
| Gaming costs | $10.29 | $29.58 | $29 | $51.24 | –7.150 | p < .001 |
Note. ***t0.001 = 3.291; time unit: hours; time and cost unit: per day; the exchange rate for Korean won to the U.S. dollar is 1,120.70 won (June 2015).