Table 2.
Descriptive statistics for the variables of interest.
| 2019 | 2020 | |||||||
|---|---|---|---|---|---|---|---|---|
| Range | n | % | Mean (SD) |
Range | n | % | Mean (SD) |
|
| Gender | Male | 789 | 50.0 | 1.500 (0.500) |
Male | 876 | 50.4 | 1.496 (0.500) |
| Female | 788 | 50.0 | Female | 862 | 49.6 | |||
| Perpetration | Non-experienced | 1367 | 86.7 | 0.133 (0.340) |
Non-experienced | 1522 | 87.6 | 0.124 (0.330) |
| Experienced | 210 | 13.3 | Experienced | 216 | 12.4 | |||
| Friendship reliability | High | 1396 | 88.5 | 1.115 (0.319) |
High | 1256 | 72.3 | 1.723 (0.448) |
| Low | 181 | 11.5 | Low | 482 | 27.7 | |||
| Number of friends perpetrating cyberbullying | None | 1431 | 90.7 | 1.107 (0.353) |
None | 1635 | 94.1 | 1.063 (0.260) |
| 1~3 | 123 | 7.8 | 1~3 | 96 | 5.5 | |||
| Over 4 | 23 | 1.5 | Over 4 | 7 | 0.4 | |||
| Observation | Experienced | 254 | 16.1 | 1.839 (0.368) |
Experienced | 213 | 12.3 | 1.880 (0.328) |
| Non-experienced | 1323 | 83.9 | Non-experienced | 1525 | 87.7 | |||
| Exposure to harmful contents | High | 39 | 2.5 | 2.890 (0.384) |
High | 268 | 15.4 | 2.283 (0.715) |
| Middle | 96 | 6.1 | Middle | 711 | 40.9 | |||
| Low | 1442 | 91.4 | Low | 759 | 43.7 | |||
| Parent–child interaction | High | 1410 | 89.4 | 1.106 (0.308) |
High | 1556 | 89.5 | 1.105 (0.306) |
| Low | 167 | 10.6 | Low | 182 | 10.5 | |||
| School involvement | High | 572 | 36.3 | 1.796 (0.693) |
High | 792 | 45.6 | 1.609 (0.606) |
| Middle | 754 | 47.8 | Middle | 834 | 48.0 | |||
| Low | 251 | 15.9 | Low | 112 | 6.4 | |||
| Awareness of cyberbullying | High | 1506 | 95.5 | 1.045 (0.207) |
High | 967 | 55.6 | 1.444 (0.497) |
| Low | 71 | 4.5 | Low | 771 | 44.4 | |||
| Total | 1577 | 100 | - | 1738 | 100 | - | ||