| Variables | Mean | Std. Deviation |
| Pedestrian safety (1 = decrease, 2 = same, 3 = increase) | 2.008 | 0.876 |
| Bicyclist safety (1 = decrease, 2 = same, 3 = increase) | 1.971 | 0.876 |
| People with disability safety (1 = decrease, 2 = same, 3 = increase) | 2.137 | 0.874 |
| Increase safety for pedestrians, bicyclists, and people with ambulatory disability (factor score, a continuous variable) | 0.013 | 0.738 |
| Male (Male = 1, Female = 0) | 0.541 | 0.499 |
| Below age 45 (Yes = 1, No = 0) | 0.368 | 0.483 |
| Familiar with AV (1 = Familiar, 0 = Not familiar) | 0.618 | 0.486 |
| Frequent walker (Walks daily or almost daily = 1, Walks less often or never = 0) | 0.619 | 0.486 |
| Bicyclist (Bicycles at least sometimes = 1, Never bicycles = 0) | 0.487 | 0.500 |
| Has ambulatory disability (Yes = 1, No = 0) | 0.084 | 0.277 |
| Three or more vehicles in household (Yes = 1, No = 0) | 0.258 | 0.438 |
| No vehicles in household (Yes = 1, No = 0) | 0.042 | 0.200 |
| Income $150,000 or higher (Yes = 1, No = 0) | 0.242 | 0.429 |
| Income less than $50,000 (Yes = 1, No = 0) | 0.224 | 0.417 |
| Has at least a bachelor’s degree (Yes = 1, No = 0) | 0.586 | 0.493 |
| Hispanic (Yes = 1, No = 0) | 0.107 | 0.310 |
| White (Yes = 1, No = 0) | 0.743 | 0.437 |
| Democrat (Yes = 1, No = 0) | 0.414 | 0.493 |
| Republican (Yes = 1, No = 0) | 0.264 | 0.441 |
| Socioeconomic status of residential area (factor score, a continuous variable) | 0.439 | 1.855 |
| Built environment of residential area (factor score, a continuous variable) | 8.524 | 25.271 |