Table 1.
Categorical variable | Logistic regression: B/OR (95% CI) |
|||||
---|---|---|---|---|---|---|
Category | N | % | Crude | Adjusted | Forward selection | |
Peers | Low | 33 | 9.1 | Ref∗∗∗ | Ref | Ref∗∗ |
Moderate | 512 | 15.8 | 0.631/1.879 (0.560–6.304) | 0.272/1.313 (0.242–7.114) | 1.104/3.018 (0.756–12.046) | |
High | 603 | 6.8 | -0.315/0.615 (0.214–2.492) | -0.243/0.785 (0.143–4.293) | 0.381/1.523 (0.371–6.264) | |
Access to drugs | Low | 175 | 7.4 | Ref∗∗∗ | Ref | |
Moderate | 643 | 8.4 | 0.133 / 1.142 (0.608–2.145) | 0.386/1.471 (0.692–3127) | ||
High | 329 | 17.6 | 0.981/2.667∗∗ (1.417–5.018) | 0.754/2.126 (0.986–4.584) | ||
Parental educational styles | Democratic | 50 | 6.0 | Ref∗∗ | Ref | |
Authoritative | 334 | 15.9 | 1.083/2.995 (0.887–9.845) | 0.906/2.473 (0.606–10.096) | ||
Permissive | 764 | 9.0 | 0.442/1.555 (0.472–5.128) | 0.804/2.235 (0.554–9.021) | ||
Grade | Second | 621 | 9.2 | Ref∗ | Ref | |
First | 500 | 13.4 | 0.426/1.531∗ (1.053–2.227) | -0.103/0.902 (0.463–1.758) | ||
Gender | Female | 617 | 5.0 | Ref∗∗∗ | Ref∗∗∗ | Ref∗∗∗ |
Male | 531 | 17.7 | 1.403/4.066∗∗∗ (2.660–6.216) | 1.380/3.974∗∗∗ (2.449–6.427) | 1.416/4.157∗∗∗ (2.573–6.715) | |
Status | Average | 778 | 9.3 | Ref∗∗∗ | Ref | |
Leader | 24 | 0 | -18.920/0 | -17.210/0 | ||
Popular | 92 | 2.2 | -1.524/0.218∗(0.053–0.903) | -0.308/0.735 (0.180–4.259) | ||
Rejected | 83 | 45.8 | 2.114/8.280∗∗∗ (5.046–13.587) | -0.342/0.710 (0.292–1.727) | ||
Isolated | 171 | 7.6 | -0.215/0.807(0.436–1.493) | -0.086/0.917 (0.476–1.767) | ||
Continous Variable | Victim(125) | Non-involved (1023) | ||||
Age | 14.10 (1.45)a | 14.44 (1.43)a | -0.165/0.848∗ (0.744–0.966) | -0.132/0.876 (0.697–1.101) | ||
Legal drug consumption and challenging behavior (Factor II) | 1.74 (1.64) | 2.36 (2.12) | -0.163/0.850∗∗ (0.767–0.942) | 0.010/1.010 (0.884–1.154) | ||
School maladjustment | 9.86 (6.03) | 11.31 (6.87) | -0.032/0.968∗ (0.941–0.996) | -0.052/0.949∗ (0.910–0.990) | -0.061/0.943∗∗ (0.905–0.982) | |
Social maladjustment | 9.74 (5.09) | 8.23 (4.90) | 0.060/1.062∗∗∗ (1.023–1.101) | 0.093/1.103∗∗∗ (1.050–1.159) | 0.099/1.105∗∗∗ (1.053–1.160) | |
Social preference (SPS) | -7.14 (11.62) | 2.47 (6.32) | -0.137/0.872∗∗∗ (0.850–0.895) | -0.132/0.877∗∗∗ (0.839–0.916) | -0.121/0.885∗∗∗ (0.862–0.910) | |
HLT = 8.793; p = 0.360 OT = 212.262; p < 0.001 R2Cox-Snell = 0.173 R2Nagelkerke = 0.344 |
HLT = 6.566; p = 0.584 OT = 208.842; p < 0.001 R2Cox-Snell = 0.164 R2Nagelkerke = 0.327 |
N: Total cases. %: Victim percent. B/OR (95% CI): Regression coefficient/Odds Ratio (95% confidence interval). aMean (standard deviation).
∗p ≤ 0.05, ∗∗p ≤ 0.01, ∗∗∗p ≤ 0.001. HLT, Hosmer Lemeshow Test. OT, Omnibus test. Ref, Reference value. Ref∗, Significance level of categorical variable.