Table 3. Age-Adjusted Associations Between Baseline Visual Function and At-Fault Crash and Near-Crash Involvement During 6 Months After Baseline Based on Naturalistic Driving Data (N = 154).
| Visual function | At-fault crash and near-crash involvement (81 events), rate ratio (95% CI) |
|---|---|
| Contrast sensitivity, log sensitivity | |
| ≥1.5 (Better) | [Reference] |
| <1.5 (Worse) | 2.7 (1.3-5.5) |
| UFOV subtest 2, ms | |
| <150 (Better) | [Reference] |
| 150-350 | 2.3 (1.1-4.9) |
| >350 (Worse) | 5.0 (2.2-11.7) |
| Visual field sensitivity, dB | |
| Overall | |
| >22.4 (Better) | [Reference] |
| ≤22.4 (Worse) | 1.4 (0.8-2.8) |
| Peripheral | |
| >19.3 (Better) | [Reference] |
| ≤19.3 (Worse) | 1.8 (1.0-3.3) |
| Superior | |
| >22.2 (Better) | [Reference] |
| ≤22.2 (Worse) | 1.3 (0.7-2.5) |
| Inferior | |
| >22.1 (Better) | [Reference] |
| ≤22.1 (Worse) | 1.4 (0.8-2.5) |
| Left | |
| >21.7 (Better) | [Reference] |
| ≤21.7 (Worse) | 1.3 (0.7-2.5) |
| Right | |
| >21.7 (Better) | [Reference] |
| ≤21.7 (Worse) | 0.9 (0.5-1.8) |
| Gabor drifting grating threshold, Hz | |
| ≤0.14 (Better) | [Reference] |
| >0.14 (Worse) | 1.9 (1.1-3.5) |
Abbreviation: UFOV, Useful Field of View.