Pearson’s correlation analysis of variables
| Variable | Mean | SD | 1 | 2 | 3 | 4 |
| NSSI behaviours | 0.79 | 1.86 | 1 | |||
| Cybervictimisation | 2.32 | 4.52 | 0.58*** | 1 | ||
| Social exclusion | 45.41 | 5.61 | 0.64*** | 0.43*** | 1 | |
| Emotion dysregulation | 39.91 | 5.32 | 0.69*** | 0.48*** | 0.85*** | 1 |
**p<0.001.