Table 2.
Estimated incidence rate ratios and 95% confidence intervals of hard braking events from the multivariable negative binomial model according to potentially inappropriate medication (PIM) Use, race/ethnicity, marital status and urbanicity, the Longitudinal Research on Aging Drivers (LongROAD) Study.
| Variable | Incidence Rate Ratio | 95% Confidence Interval | |
|---|---|---|---|
| PIM use | |||
| No | 1.00 | ||
| Yes | 1.10 | 1.01 | 1.20 |
| Race/Ethnicity | |||
| White, non-Hispanic | 1.00 | ||
| Black, non-Hispanic | 1.00 | 0.88 | 1.15 |
| Other | 1.38 | 1.21 | 1.57 |
| Marital Status | |||
| Married | 1.00 | ||
| Non-married | 1.21 | 1.12 | 1.29 |
| Urbanicity | |||
| Urban | 1.00 | ||
| Rural/Suburban | 0.51 | 0.48 | 0.56 |