Table 1. Means (standard deviations in parentheses) for participants’ characteristics, mean deviation of the visual field, and reaction times from the Deary-Liewald task.
| Measure | Control group | Glaucoma group | |
|---|---|---|---|
| (n = 12) | (n = 23) | p | |
| Age (years) | 65.7 (9.4) | 65.1 (12.2) | 0.877 |
| Gender (% women) | 25 | 35 | 0.560 |
| Percentage of IVF points < 25 dB | 1.9 (2.7) | 42.4 (25.3) | 1.1*10-7 |
| Mean deviation OD | -0.09 (0.86) | -10.72 (8.98) | 1.0*10-5 |
| Mean deviation OS | -0.16 (1.16) | -13.99 (7.04) | 2.3*10-9 |
| Wore glasses during test (% of participants) | 25 | 70 | 0.012 |
| Single reaction time (s) | 0.29 (0.05) | 0.30 (0.04) | 0.696 |
| Choice reaction time (s) | 0.52 (0.11) | 0.54 (0.06) | 0.494 |
| Annual mileage (km)1 | 11,478 (9,080) | 8,909 (8,694) | 0.429 |
| Driving frequency (1 = every day, 7 = never)1 | 2.08 (1.73) | 2.78 (1.83) | 0.277 |
| Worry about sight (1 = never, 7 = always)1 | 1.33 (0.65) | 2.43 (0.99) | 4.3*10-4 |
| Number of collisions in past 36 months1 | 0.17 (0.39) | 0.35 (0.49) | 0.242 |
| Experience with cruise control (% of participants)1 | 67 | 26 | 0.027 |
1 Self-reported data; IVF = integrated visual field; dB = decibel; OD = oculus dexter (right eye); OS = oculus sinister (left eye).