Table 3.
NASS-GES weighted survey logistic model odds ratios for injury outcomes
| Covariates* OR (95% CI)** | Model 1 Crash Outcome: Odds of death, overall | Model 2 Crash Outcome: Odds of severe injury, overall | Model 3 Crash Outcome: Odds of death, if severely injured |
|---|---|---|---|
| Sample (n) | 883,473 | 883,473 | 84,639 |
| Weighted (N) | 98,411,993 | 98,411,993 | 1,902,059 |
| Baseline Odds | 0.0000268 | 0.00216 | 0.0111 |
| Age | |||
| 0-14 | 0.67 (0.51 - 0.87) | 0.77 (0.64 - 0.92) | 0.89 (0.70 - 1.11) |
| 15-39 | referent | referent | referent |
| 40-64 | 1.96 (1.73 - 2.22) | 1.22 (1.15 - 1.30) | 1.74 (1.52 - 2.00) |
| 65-79 | 4.66 (3.88 - 5.60) | 1.63 (1.39 - 1.90) | 3.48 (2.89 - 4.19) |
| ≥80 | 8.05 (6.60 - 9.82) | 2.19 (1.78 - 2.71) | 4.72 (3.83 - 5.82) |
| Male | 1.15 (1.06 - 1.25) | 0.72 (0.66 - 0.78) | 1.50 (1.38 - 1.62) |
| Unbelted | 9.36 (8.10 - 10.82) | 2.95 (2.46 - 3.55) | 3.88 (3.06 - 4.92) |
| Front seat position | 1.11 (0.90 - 1.38) | 1.12 (1.03 - 1.22) | 1.12 (0.97 - 1.30) |
| 4.01 (3.41 - 4.72) | 3.53 (3.22 - 3.88) | 1.56 (1.37 - 1.77) | |
| Vehicle rollover | |||
| High speed | 3.70 (3.21 - 4.27) | 1.87 (1.67 - 2.10) | 2.09 (1.82 - 2.41) |
| Vehicle damage | 10.36 (8.08 - 13.27) | 7.15 (5.21 - 9.82) | 1.37 (1.09 - 1.71) |
| Midnight to 6AM | 1.60 (1.42 - 1.80) | 1.29 (1.13 - 1.47) | 1.43 (1.29 - 1.59) |
| Southern State | 1.79 (1.42 - 2.24) | 2.30 (1.26 - 4.19) | 0.82 (0.56 - 1.19) |
| RUCC Codes | |||
| 1-3 urban | referent | referent | referent |
| 4-5 partly rural | 1.18 (0.92 - 1.50) | 0.74 (0.38 - 1.43) | 1.49 (0.90 - 2.48) |
| 6-7 rural | 1.24 (0.59 - 2.63) | 0.78 (0.47 - 1.29) | 1.82 (1.01 - 3.29) |
| 8-9 very rural | 2.31 (1.68 - 3.18) | 1.41 (1.05 - 1.91) | 1.93 (1.64 - 2.27) |
*
Survey Design – weight (NASS-GES inverse selection probability), 14 strata (PSU strata), and 77 clusters (counties)
**
OR = Odds Ratio, CI = Confidence Interval, based on weighted totals