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Effects of various factors on SA.
| Effect | Road characteristics | Gender | Age | Experience | Driver states | Distracting elements | Cognitive abilities |
| Direct effect | −0.181 | 0.113 | 0.121 | 0.120 | 0.171 | −0.136 | 0.500 |
| Indirect effect | −0.033 | 0.043 | 0.156 | 0.078 | 0.189 | −0.117 | — |
| Total effect | −0.213 | 0.156 | 0.277 | 0.198 | 0.360 | −0.253 | 0.500 |
