Adjusted estimates of the risk ratio for death by age of rear seat passengers compared with front seat passengers according to front passenger airbag presence, restraint use, and age category
| Age group | No passenger airbag | Passenger airbag present | ||
|---|---|---|---|---|
| Unrestrained (31996) | Restrained (20521) | Unrestrained (1557) | Restrained (2570) | |
| aRR (95% CI) | aRR (95% CI) | aRR (95% CI) | aRR (95% CI) | |
| aRR, adjusted risk ratio; CI, confidence interval. | ||||
| 0–12 years | 0.71 (0.64–0.79) | 0.83 (0.75–0.92) | 0.53 (0.41–0.70) | 0.62 (0.48–0.81) |
| 13–29 years | 0.70 (0.67–0.73) | 0.82 (0.77–0.87) | 0.83 (0.76–0.90) | 0.96 (0.88–1.06) |
| 30–59 years | 0.75 (0.70–0.81) | 0.88 (0.80–0.96) | 0.89 (0.80–0.98) | 1.03 (0.93–1.15) |
| ⩾60 years | 0.88 (0.80–0.96) | 1.02 (0.93–1.12) | 0.91 (0.77–1.09) | 1.06 (0.90–1.26) |