Table 3.
Relative risk of social welfare assistance as adult across levels of adolescent cannabis use (and across confounders) in a cohort of Swedish men.
| Crude model | Multivariable model | Multivariable model | Multivariable model | Multivariable model | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Adolescent cannabis use | RR | 95% CI | RR | 95% CI | RR | 95% CI | RR | 95% CI | RR | 95% CI |
| Never | 1.00 | – | 1.00 | – | 1.00 | – | 1.00 | – | 1.00 | – |
| 1–10 times | 1.52 | 1.39–1.66 | 1.26 | 1.15–1.37 | 1.36 | 1.24–1.48 | 1.15 | 1.05–1.26 | 1.16 | 1.06–1.26 |
| 11–50 times | 2.12 | 1.84–2.44 | 1.59 | 1.39–1.83 | 1.56 | 1.35–1.79 | 1.24 | 1.06–1.46 | 1.22 | 1.04–1.42 |
| >50 times | 3.13 | 2.82–3.48 | 2.13 | 1.92–2.37 | 1.90 | 1.70–2.13 | 1.48 | 1.26–1.73 | 1.39 | 1.19–1.62 |
| Childhood/adolescence | ||||||||||
| Parental SEP | ||||||||||
| Non‐manual occupation | 1.00 | – | 1.00 | – | 1.00 | – | 1.00 | – | 1.00 | – |
| Manual occupation | 1.61 | 1.52–1.70 | 1.49 | 1.41–1.57 | 1.27 | 1.20–1.34 | 1.24 | 1.17–1.31 | 1.18 | 1.12–1.25 |
| No occupation | 2.29 | 1.97–2.66 | 1.96 | 1.72–2.23 | 1.62 | 1.43–1.85 | 1.55 | 1.37–1.77 | 1.42 | 1.26–1.61 |
| Divorced parents | 1.92 | 1.80–2.03 | 1.53 | 1.44–1.63 | 1.41 | 1.32–1.50 | 1.35 | 1.27–1.44 | 1.28 | 1.20–1.36 |
| Contact with police or childcare authorities | 2.24 | 2.14–2.35 | 1.91 | 1.81–2.01 | 1.67 | 1.58–1.76 | 1.40 | 1.32–1.48 | 1.32 | 1.25–1.40 |
| IQ | 1.52 | 1.49–1.56 | 1.36 | 1.33–1.40 | 1.32 | 1.29–1.36 | 1.20 | 1.17–1.24 | ||
| Social maturity | 1.45 | 1.41–1.49 | 1.12 | 1.09–1.16 | 1.11 | 1.08–1.14 | 1.06 | 1.03–1.10 | ||
| Psychiatric diagnosis | 2.04 | 1.93–2.16 | 1.22 | 1.14–1.30 | 1.17 | 1.09–1.25 | 1.07 | 0.98–1.16 | ||
| Cigarette smoking | ||||||||||
| None | 1.00 | – | 1.00 | – | 1.00 | – | ||||
| 1–10 cigarettes/day | 1.89 | 1.77–2.02 | 1.51 | 1.40–1.62 | 1.44 | 1.35–1.54 | ||||
| > 10 cigarettes/day | 2.83 | 2.66–3.02 | 1.87 | 1.74–2.00 | 1.72 | 1.61–1.84 | ||||
| Risky alcohol use | 2.38 | 2.25–2.51 | 1.27 | 1.20–1.35 | 1.17 | 1.10–1.24 | ||||
| Illicit drug use | ||||||||||
| None | 1.00 | – | 1.00 | – | 1.00 | – | ||||
| Yes | 2.15 | 1.94–2.39 | 1.12 | 0.98–1.29 | 1.11 | 0.97–1.27 | ||||
| Yes, injected | 3.40 | 2.92–3.96 | 1.09 | 0.90–1.31 | 0.98 | 0.82–1.19 | ||||
| Adulthood | ||||||||||
| Level of education | ||||||||||
| Tertiary | 1.00 | – | 1.00 | – | ||||||
| Secondary | 3.09 | 2.83–3.37 | 1.95 | 1.76–2.15 | ||||||
| Primary | 3.84 | 3.51–4.20 | 1.99 | 1.82–2.19 | ||||||
| Psychiatric disorder | 3.97 | 3.75–4.21 | 2.52 | 2.38–2.68 | ||||||
| Drug‐related disorder | 5.67 | 5.13–6.26 | 3.00 | 2.67–3.37 | ||||||
RR = relative risk; 95% CI = 95% confidence interval; SEP = socio‐economic position.