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Table 2 Distribution of the four main survey parts. A. Drivers’ Behaviour survey, B. Drivers’ Distraction survey, C. PHQ-9 and D. GAD-7

From: Risky driving behaviour in Abu Dhabi, United Arab Emirates: a cross-sectional, survey-based study

A. Drivers’ Behaviour Questionnaire average score grouped by the type of the violation Mean Standard Deviation
 Errors and lapses 0.34 0.43
 Ordinary violations (speed) 0.56 0.56
 Ordinary violations (traffic lights) 0.47 0.51
 Violations (not wearing seatbelt) 0.79 0.74
 Violations (alcohol related) 0.15 0.39
 Aggressive violations 0.58 0.72
 Situational violations (rain, sleep, mood) 0.68 0.63
 All violations 0.51 0.39
 Total DBQ score mean 11.36 9.58
C. PHQ-9
 Low risk 138 57.3
 Mild risk 78 32.4
 Moderate risk 20 8.3
 Moderately severe risk 4 1.7
 Severe risk 1 .4
D. GAD-7
 Low risk 184 75.1
 Mild risk 53 21.6
 Moderate risk 8 3.3
B. Distraction prone or averse
 Age group <=25
N (%)
26–35
N (%)
36–45
N (%)
46–55
N (%)
> 55
N (%)
Total
N (%)
 Distraction-averse 33 (34) 33 (34) 24 (24.7) 5 (5.2) 2 (2.1) 97 (44.3)
 Distraction-prone 60 (49.2) 48 (39.3) 9 (7.4) 5 (4.1) 0 122 (55.7)
 Total 93 (42.5) 81 (37) 33 (15) 10 (4.5) 2 (0.90) 219 (100)