Table 1.
Descriptive statistics and correlations among the main variables (N = 1,613).
| Variable | Mean | SD | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
|---|---|---|---|---|---|---|---|---|---|
| 1. Substance abuse | 0.331 | 1.07 | 1 | ||||||
| 2. Total PIU | 8.32 | 8.60 | 0.199* | 1 | |||||
| 3. Traditional bullying | 1.94 | 5.14 | 0.355** | 0.344** | 1 | ||||
| 4. Cyber bullying | 0.42 | 2.86 | 0.364** | 0.238** | 0.644** | 1 | |||
| 5. Traditional victimisation | 4.73 | 7.44 | 0.261** | 0.280** | 0.617** | 0.533** | 1 | ||
| 6. Cyber victimisation | 0.97 | 3.44 | 0.310** | 0.302** | 0.577** | 0.806** | 0.653** | 1 | |
| 7. Parent–child relationship | 5.23 | 1.15 | −0.152** | −0.117** | −0.217** | −0.149** | −0.265** | −0.216 | 1 |
*P < 0.05; **P < 0.01.