Risk of subsequent motor vehicle crashes among participants who reported having engaged in self-harm, DRIVE cohort NSW Australia 2003–2016
| Model* | Model description | Any crash | Single vehicle crash |
| RR (95% CI) | RR (95% CI) | ||
| 0 | Unadjusted | 1.29 (1.14 to 1.47) | 1.25 (0.90 to 1.74) |
| 1 | Model 0+ demographic characteristics and driving exposure | 1.30 (1.15 to 1.48) | 1.25 (0.90 to 1.74) |
| 2 | Fully adjusted | 1.23 (1.08 to 1.39) | 1.11 (0.79 to 1.57) |
*Variables in model 1: age, gender, socioeconomic status of area of residence (SEIFA index), remoteness of area of residence and average driving per. Model 2: age, gender, socioeconomic status of area of residence (SEIFA index), remoteness of area of residence, average driving per week, self-rated driving ability, number of attempts on driver test, crash before study, professional driver training, time on learner licence, cannabis smoking, alcohol consumption, drug use, risk taking score, sensation seeking score and risk perception score.
NSW, New South Wales; RR, relative risk; SEIFA, Socio-Economic Indexes for Areas.