Matched adjusted ORs with 95% CI for injurious road traffic crashes in senior drivers exposed to benzodiazepines (BZD), alone or in combination with psychotropic medications, within 1–30 days prior to the index date stratified by sex, age group, and marital status, Sweden 2005–2009.

1Matched by age, sex and residence place (four controls per case); adjusted for occupation and number of medications dispensed within 1–30 days prior to the index date. 2Exposed to at least one BZD but no other psychotropic medications. 3Exposed to at least one BZD and at least one other psychotropic medication (N05A-antipsychotics, N05B- anxiolytics, N05C-hypnotics/sedatives, and N06A-antidepressants). N/A: Not available (unable to estimate due to small subgroup).