Table 1.
Baseline characteristics of cases of injurious motor vehicle crash and controls
| Characteristics | Cases | Controls |
|---|---|---|
| Number | 5579 | 12911 |
| Age at index date | 73.9 | 73.8 |
| Male (%) | 80 | 73 |
| Rural residence (%) | 48.2 | 45.5 |
| Previous injurious MVC (%) | 3.4 | 1.8 |
| Chronic disease score (SD) | 2.8 (2.8) | 2.5 (2.7) |
| Stroke in previous year (%) | 0.2 | 0.4 |
| Cardiac disease (MI or CHF) in previous year (%) | 0.5 | 1.2 |
| Use of sedating agents* (%) | 78 | 76 |
*
This included the use of antidepressants, antiepileptics, benzodiazepines, antipsychotics, antimigraine medication, muscle relaxants and narcotic analgesics in the previous year. MVC, Motor vehicle crash; MI, myocardial infarction; CHF, chronic heart failure.