Table 6.
Multilevel logistic regression analysis: cannabis use.
| Cannabis use | |||||
|---|---|---|---|---|---|
| Model 0 | Model 1 | Model 2 | Model 3 | Full model | |
| OR (95%CI) | OR (95%CI) | OR (95%CI) | OR (95%CI) | ||
| INDIVIDUAL LEVEL | |||||
| Personal Domain | |||||
| Age | 1.44 (1.41–1.46) | 1.41 (1.37–1.44) | 1.41 (1.37–1.44) | ||
| Gender (ref. Male) | 0.89 (0.83–0.95) | 1.06 (0.98–1.15) | 1.06 (0.97–1.15) | ||
| Bullying Experience | |||||
| No experience | 1 | 1 | 1 | ||
| Bystander only | 1.71 (1.53–1.91) | 1.27 (1.11–1.45) | 1.30 (1.14–1.48) | ||
| Victim only | 1.83 (1.62–2.06) | 1.09 (0.94–1.27) | 1.11 (0.95–1.29) | ||
| Bully only | 3.63 (3.09–4.25) | 1.96 (1.61–2.38) | 2.05 (1.69–2.48) | ||
| Bully-victim only | 3.31 (2.92–3.76) | 1.56 (1.33–1.84) | 1.59 (1.35–1.87) | ||
| School Domain | |||||
| GPA | 0.72 (0.70–0.74) | 0.83 (0.80–0.86) | 0.83 (0.80–0.86) | ||
| School policy awareness | 0.60 (0.57–0.62) | 0.93 (0.87–1.01) | |||
| School bonding | 0.74 (0.72–0.76) | 0.97 (0.93–1.01) | |||
| School Membership | 0.47 (0.45–0.49) | 0.78 (0.71–0.86) | 0.74 (0.69–0.79) | ||
| Perception of peer drug use in school | 1.69 (1.64–1.75) | 1.22 (1.16–1.27) | 1.23 (1.18–1.29) | ||
| Family Domain | |||||
| Parental monitoring | 0.93 (0.93–0.94) | 0.96 (0.95–0.96) | 0.96 (0.95–0.96) | ||
| Maltreatment | 1.97 (1.89–2.06) | 1.47 (1.38–1.56) | 1.47 (1.38–1.57) | ||
| Community Domain | |||||
| Community disorganization | 1.73 (1.68–1.78) | 1.37 (1.31–1.42) | 1.36 (1.31–1.42) | ||
| SCHOOL LEVEL | |||||
| School Type | |||||
| Municipal state-funded | 1 | 1 | 1 | ||
| Subsidized | 0.95 (0.85–1.07) | 0.95 (0.85–1.06) | 1.19 (1.06–1.33) | ||
| Private | 0.73 (0.55–0.98) | 0.69 (0.52–0.92) | 1.35 (1.03–1.77) | ||
| Number of Teachers Per School | |||||
| Small | 1 | 1 | 1 | ||
| Medium | 1.53 (1.36–1.73) | 1.55 (1.37–1.74) | 0.96 (0.85–1.08) | ||
| Large | 1.68 (1.36–2.07) | 1.67 (1.36–2.06) | 0.86 (0.70–1.06) | ||
| School Denomination | |||||
| Secular | 1 | ||||
| Catholic | 0.88 (0.78–1.00) | ||||
| Religious non-Catholic | 0.85 (0.67–1.07) | ||||
| School Co-Educational Status | |||||
| Only boys | 1 | ||||
| Only girls | 0.89 (0.58–1.36) | ||||
| Mixed | 0.85 (0.59–1.20) | ||||
| Random Intercept | |||||
| Beta | 0.65 | 0.49 | 0.61 | 0.48 | |
| ICC (%) | 11.4 | 6.9 | 10.3 | 6.6 | |
| C-statistic (95%CI) | 0.81 (0.81–0.82) | ||||
ICC, Intra-Class Correlation. Empty cells indicate that the variables did not enter into the model. Model 0, Null model; Model 1, Univariable association; Model 2, Multivariable associations, only Individual-level variables; Model 3, Multivariable associations, only school-level variables; Full model, Multivariable associations, Individual-level and school-level variables. Significant odds ratios (ORs) are shown in bold (p ≤ 0.05) only for the Full model.