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Mean and standard deviation according to conditions (driving only, driving + sending text message [STM], driving + searching a navigation device [SN]) in the relative change of skin conductance level (SCL), average following distance, speed deviation, anterior–posterior coefficient of variation (APCV), and medial–lateral coefficient of variation (MLCV)
| Factors | Driving only | Driving + STM | Driving + SN |
|---|---|---|---|
| Relative change of SCL, % | 0.13 ± 1.98 | 4.79 ± 5.88 | 6.15 ± 6.46 |
| Average following distance, m | 48.17 ± 21.23 | 99.33 ± 51.31 | 127.79 ± 70.99 |
| Speed deviation, % | 4.33 ± 1.84 | 12.54 ± 8.35 | 16.88 ± 9.47 |
| APCV | 0.17 ± 0.09 | 0.40 ± 0.27 | 0.50 ± 0.33 |
| MLCV | 0.11 ± 0.02 | 0.24 ± 0.06 | 0.35 ± 0.16 |