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Table 4 Group comparisons of frequencies of driving-related speech

From: Driving behaviour in adults with attention deficit/hyperactivity disorder

  Control ADHD Group comparison
Mean (SD) Mean (SD) F value
Number of comments 2.25 (4.74) 10.82 (15.98) 5.75*
Word count per comment 1.71 (2.09) 4.01 (3.25) 7.59**
Positive emotions 0.51 (0.91) 2.9 (6.38) 2.89
Negative emotions 0.75 (1.72) 6.03 (12.2) 3.86#
Anxiety 0.06 (0.23) 0.13 (0.45) 0.36
Anger 0.52 (1.37) 4.31 (6.78) 6.31*
Swearing 0.73 (2.14) 4.02 (6.46) 4.95*
  1. #p < 0.1*p < .05 level **p < .01