Table 2 Group comparisons of simulator performance and eye movement measures for the urban and motorway routes
From: Driving behaviour in adults with attention deficit/hyperactivity disorder
| Â | Control | ADHD | Statistical analysis | ||||
|---|---|---|---|---|---|---|---|
| Â | Urban | Motorway | Urban | Motorway | Group | Road type | Group*Road type |
Simulator variables | F(1,41) | F(1,41) | F(1,41) | ||||
Distance over speed limita | 0.08 (0.06) | 0.16 (0.14) | 0.14 (0,14) | 0.25 (0.19) | 4.40* | 17.85** | 0.37 |
Forward speed (mph) | 14.9 (2.3) | 62.4 (4.8) | 16.7 (2.4) | 66.0 (6.1) | 5.96* | 4522.67** | 1.60 |
Coefficient variation velocity | 0.70 (0.11) | 0.15 (.05) | 0.67 (0.12) | 0.15 (0.06) | 1.67 | 886.12** | 1.17 |
Lane deviationb | 0.55 (0.06) | 0.99 (0.25) | 0.53 (0.13) | 0.94 (0.07) | 1.22 | 193.17** | 0.21 |
Eye movement variables | F(1,37) | F(1,37) | F(1,37) | ||||
Horizontal spread search | 21.15 (14.79) | 18.33 (13.13) | 21.58 (14.97) | 16.50 (14.09) | .06 | 27.79** | 1.34 |
Vertical spread search | 10.97 (7.55) | 11.96 (7.16) | 11.59 (9.65) | 11.88 (10.90) | .07 | 5.81* | .85 |
Fixation duration (ms) | 381 (89) | 424 (150) | 394 (130) | 489 (200) | .16 | 5.22* | .06 |