Table 1

Frequency of problems reported by respondents at interview: drivers, ex-drivers, banned drivers, all previous drivers not banned, and all patients

Problem Number of patients returned to driving (%) (n=139) Total number of previous drivers not returned (%) (n=242) Number of previous drivers with medical ban1-152 (%) (n=61) Number of all previous drivers not banned (%) (n=320) Number of all patients reporting (%) (n=563)
Memory89  (64.0)157  (64.9)41  (67.2)206  (64.4)356  (63.2)
Headaches60 (43.2)89 (36.8)26 (42.6)123 (38.4)211 (37.5)
Fatigability50 (36.0)93 (38.4)27 (44.3)116 (36.3)191 (33.9)
Sleep problems42 (30.2)57 (23.6) 22 (36.1) 77 (24.1) 128 (22.7)
Giddy spells/dizziness41 (29.5)62 (25.6)19 (31.1)84 (26.3)142 (25.2)
Concentration/attention39 (28.1)72 (29.8)21 (34.4)90 (28.1)154 (27.4)
Visual problems 39 (28.1) 91 (37.6) 24 (39.3)106 (33.2)190 (33.7)
Depression31 (22.3)44 (18.2)9 (14.8)66 (20.6)104 (18.5)
Aural problems30 (21.6)35 (14.6)9 (14.8)56 (17.5)86 (15.3)
Problems concerning driving 26 (18.7) 81 (33.5) 48 (78.7) 59 (18.4) 113 (20.1)
Balance and coordination18 (12.9)39 (16.1)9 (14.8)48 (15.0)92 (16.3)
Personality change20 (14.4)29 (12.0)4 (6.6)45 (14.1)68 (12.1)
Alcohol/alcohol tolerance18 (12.9)18 (7.4)9 (14.8)27 (8.4)59 (10.7)
Insight13 (9.4)25 (10.3)10 (16.4)28 (8.8)56 (10.0)
Mood swings24 (17.3)41 (16.9) 16 (26.2) 49 (15.3) 27 (4.8)
Epilepsy 5 (3.6) 38 (15.7) 27 (44.3) 16 (5.0) 69 (12.3)
Epilepsy-like (absences, blank spells)4 (2.9)6 (2.5)1 (1.6)9 (2.8)12 (2.1)
Community mobility 14 (10.1) 43 (17.8) 13 (21.3)44 (13.8)96 (17.1)
Irritability1-150 35 (25.2)45 (18.6)14 (23)66 (20.6)105 (18.7)
Anger management1-150 32 (23.0)47 (19.4)14 (23)65 (20.3)118 (21.0)
Aggression1-150 8 (5.7)17 (7.0)2 (3.3)22 (6.9)39 (6.9)
Other behavioural1-150 3 (2.2) 27 (11.2) 3 (4.9)27 (8.4)40 (7.1)
Frustration1-150 6 (4.3)13 (5.4)3 (4.9)16 (5.0)27 (4.8)
All behavioural1-151 67 (48.2)121 (50)28 (45.9)160 (50.0)272 (48.3)
  • 1-150 Categorised as behavioural problems.

  • 1-151 Number of patients with at least one behavioural problem.

  • 1-152 Banned drivers are also included in the figures for previous drivers not returned.

  • Figures in italics depict items with statistically significant differences between current and ex-driver groups.

  • Figures in bold depict items with statistically significant differences between banned and non-banned drivers.