Table 2 Hierarchical linear modeling results for distraction, eccentricity, AVG experience and AVG proficiency predicting four measures of driving performance.
Predictors | Speed control | Lane maintenance | DRT RT | DRT accuracy | ||||
|---|---|---|---|---|---|---|---|---|
Est. | SE | Est. | SE | Est. | SE | Est. | SE | |
Fixed effects | ||||||||
 Intercept | -0.024 | 0.118 | 0.143 | 0.120 | -0.098 | 0.093 | 0.011 | 0.043 |
 Distraction | 0.301 | 0.033 | -0.215 | 0.021 | 0.379 | 0.023 | -0.117 | 0.021 |
 Eccentricity | – | – | – | – | 0.379 | 0.020 | -0.815 | 0.029 |
 AVG Exp. (1to5hrs) | -0.019 | 0.194 | -0.294 | 0.197 | 0.186 | 0.146 | -0.030 | 0.057 |
 AVG Exp. (> 5 h) | 0.149 | 0.237 | -0.285 | 0.241 | 0.220 | 0.179 | -0.010 | 0.070 |
 AVG Proficiency | -0.227 | 0.090 | -0.287 | 0.092 | -0.269 | 0.068 | 0.075 | 0.027 |
Random effects (SD) | ||||||||
 Intercept | 0.774 | 0.839 | 0.565 | 0.062 | ||||
 Distraction | – | – | 0.294 | 0.267 | ||||
 Eccentricity | – | – | 0.178 | 0.512 | ||||
 Within-Person Variance (Step 1) | 57% | 80% | 45% | 0% | ||||
