Advertisement
Table 5 Multivariable Logistic Regression of unintentional injury on depression and covariates (OR and 95% CIs reported)
| Variables | Model 1 | 95% CI | Model 2 | 95% CI |
|---|---|---|---|---|
| Higher risk of depression | 1.65*** | 1.20, 2.27 | 1.66*** | 1.21, 2.28 |
| Lower risk of depression | Ref | Ref | Ref | Ref |
| Grade level | ||||
| 10 | 1.26 | 0.92, 1.72 | 1.15 | 0.84, 1.57 |
| 11 | 1.01 | 0.75, 1.38 | 0.93 | 0.68, 1.27 |
| 12 | Ref | Ref | ||
| Gender | ||||
| Male | 0.82 | 0.64, 1.06 | 0.82 | 0.64, 1.06 |
| Female | Ref | Ref | ||
| Weekly spending money, $ | ||||
| 40 or more | 1.17 | 0.88, 1.56 | 1.22 | 0.92, 1.63 |
| Unknown | 1.03 | 0.72, 1.47 | 1.01 | 0.70, 1.47 |
| Below 40 | Ref | Ref | ||
| Risk taking behaviours | ||||
| Current smoker | 0.86 | 0.56, 1.31 | 0.78 | 0.50, 1.21 |
| Nonsmoker | Ref | Ref | ||
| Heavy drinking | 1.94*** | 1.38, 2.72 | ||
| Light drinking | 1.26 | 0.93, 1.69 | ||
| No drink | Ref | |||
| Frequent marijuana use | 1.83*** | 1.24, 2.72 | ||
| Infrequent marijuana use | 1.44** | 1.00, 2.08 | ||
| No marijuana | Ref | |||
| Multiple partners | 1.60** | 1.09, 2.34 | 1.50** | 1.02, 2.22 |
| Single partner | 1.59*** | 1.18, 2.14 | 1.64*** | 1.22, 2.20 |
| Sexually inactive | Ref | Ref | ||
| Individual school measures | ||||
| Academic Marks ≥70% | 1.12 | 0.83, 1.49 | 1.17 | 0.87, 1.57 |
| Academic Marks <70% | Ref | Ref | ||
| Absence from school 3 days or more | 1.12 | 0.79, 1.59 | 1.12 | 0.79, 1.59 |
| Absence from school 1 or 2 days | 1.20 | 0.88, 1.63 | 1.18 | 0.87, 1.60 |
| No absence from school | Ref | Ref | ||
| School team sports | 1.74*** | 1.33, 2.28 | 1.84*** | 1.42, 2.41 |
| No school team sports | Ref | Ref |
