Table 1. Demographic and visual function characteristics of the study participants.

	Mean (SD) or % (N)
Age, in years	72.8 (7.3)
Gender, female	55.5 (243)
Race, white	60.5 (265)
Follow-up, in years	5.1 (1.2)
Annual mileage	11,379 (12,885)
Visual Acuity, in logMar
Better eye	0.12 (0.16)
Worse eye	0.32 (0.38)
At-fault MVCs	13.0 (57)