Table 7. Results for the mediation effect.
Path | Estimate | S.E. | Bias-corrected 95%CI | Decision | ||
---|---|---|---|---|---|---|
Lower | Upper | P-Value | ||||
Cluster 1 | ||||||
LIG→CO | 0.081 | 0.039 | 0.002 | 0.156 | 0.04 | Partial mediation |
LIG→DS→CO | -0.017 | 0.011 | -0.047 | -0.002 | 0.021 | |
TF→CO | 0.131 | 0.046 | 0.039 | 0.218 | 0.007 | Partial mediation |
TF→DS→CO | 0.023 | 0.013 | 0.004 | 0.057 | 0.019 | |
AGE→CO | -0.084 | 0.035 | -0.148 | -0.014 | 0.018 | Partial mediation |
AGE→DS→CO | -0.029 | 0.017 | -0.075 | -0.006 | 0.004 | |
WEA→DS→CO | -0.022 | 0.012 | -0.053 | -0.005 | 0.005 | Full mediation |
GEN→MJ→CO | 0.010 | 0.007 | 0.001 | 0.028 | 0.048 | Full mediation |
GEN→DS→CO | -0.017 | 0.012 | -0.049 | -0.001 | 0.037 | Full mediation |
Cluster 2 | ||||||
WEA→DR→CO | -0.021 | 0.013 | -0.055 | -0.001 | 0.035 | Full mediation |
Note: LIG: Lighting; CO: Crash Outcome; DS: Distraction State; TF: Traffic Factor; WEA: Weather; AGE: Age; GEN: Gender; MJ: Maneuver Judgment; DR: Driver Reaction.