Table 3.
Means and standard deviations of items of Driver Behaviour Questionnaire (DBQ) among drivers in four different ethnic groups (N=1824)
| Variables | Qatari n=471 | Jordanian n=445 | Indian-Sub Continent n=461 | Filipino n=447 |
|---|---|---|---|---|
| Violations | ||||
| Drive especially close to the car in front as a signal to its driver to go faster or get out of the way | 1.75 (1.76)* | 1.29(1.49) | 1.54(1.50) | 1.11(1.32)§ |
| Cross a junction knowing that the traffic lights have already turned red | 1.49(1.63)* | 1.12(1.47) | 1.31(1.49) | 0.54(1.10)* |
| Disregard the speed limits late at night or early in the morning | 2.10(1.77)* | 1.53(1.59)* | 1.88(1.65)* | 1.00(1.29)* |
| Disregard the speed limits on a motorway | 1.74(1.72)* | 1.38(1.61) | 1.52(1.53) | 1.02(1.34)* |
| Have an aversion to a particular class of road user and indicate your hostility by whatever means you can | 1.53(1.62)* | 1.06(1.42) | 1.33(1.40) | 1.07(1.17)§ |
| Become impatient with a slow driver in the outer lane and overtake on the inside (right) lane | 2.29(1.84)* | 1.82(1.74) | 1.87(1.70) | 1.45(1.36)* |
| Get involved with unofficial ‘races’ with other drivers | 1.89(1.76)* | 1.29(1.54)* | 1.59(1.53)* | 0.73(1.15)* |
| Angered by another driver’s behaviour, you give chase with the intention of giving him/her a piece of your mind | 1.84(1.65)* | 1.33(1.48) | 1.30(1.36) | 1.12(1.35) ‡ |
| Sound your horn to indicate your annoyance to another driver | 2.21(1.67) | 1.78(1.57)* | 2.01(1.64) | 1.45(1.27)* |
| Stay in a motorway that you know will be closed ahead until the last minute before forcing you way into the other lane | 1.55(1.52)* | 1.26(1.57) | 1.27(1.41) | 1.10(1.28) |
| Errors | ||||
| Attempt to overtake someone that you hadn’t noticed to be signaling a left/right turn | 1.23(1.49) | 1.22(1.53) | 1.38(1.68) | 1.01(1.15)* |
| Miss ‘Give Way’ signs and narrowly avoid colliding with traffic having right of way | 1.42(1.51) | 1.13(1.49)* | 1.39(1.59) | 0.84(1.08)* |
| Fail to notice that pedestrians are crossing when turning into a side street from a main road | 1.35(1.44) | 1.18(1.43) | 1.39(1.50) | 0.78(1.10)* |
| Queuing to turn right/left onto a main road, you pay such close attention to the mainstream of traffic that you nearly hit the car in front | 1.66(1.59) | 1.35(1.58)* | 1.57(1.69) | 1.01(1.88)* |
| On turning right/left nearly hit a two wheeler who has come up on your inside | 1.57(1.54) | 1.38(1.50) | 1.47(1.50) | 0.84(1.28)* |
| Fail to check your rear-view mirror before pulling out or changing lanes, etc | 1.43(1.38) | 1.26(1.34) | 1.39(1.42) | 1.01(1.29)* |
| Under estimate the speed of an oncoming vehicle when overtaking | 1.53(1.43) | 1.22(1.40)§ | 1.52(1.48) | 1.10(1.31)§ |
| Apply sudden brakes on a slippery road, or steer wrong way in a skid | 1.41(1.27) | 1.28(1.30) | 1.32(1.25) | 0.94(1.24)* |
| Lapses | ||||
| Get into the wrong lane when approaching a roundabout or a junction | 1.09(1.36) | 0.85(1.17)§ | 1.11(1.47) | 0.84(1.12)§ |
| Misread the signs and exit from the roundabout on the wrong road | 1.47(1.71) | 1.33(1.71) | 1.43(1.69) | 0.76(1.09)* |
| Forget where you left your car in the car park | 1.14(1.30) | 1.02(1.27) | 1.06(1.27) | 1.17(1.23) |
| Hit something when reversing that you had not previously seen | 1.57(1.38)* | 1.37(1.29) | 1.39(1.36) | 1.15(1.21)* |
| Attempt to drive away from the traffic lights | 1.65(1.41) | 1.36(1.44)* | 1.54(1.44) | 1.04(1.24)* |
| Switch on one thing, such as headlights, when you meant to switch on something else, such as wipers | 1.74(2.17) | 1.50(1.66)¥ | 1.77(1.75) | 1.17(2.38)* |
| Intending to drive to destination A and, you ‘wake up’ to find yourself in destination B, because the latter is your more usual destination | 1.39(1.42) | 1.19(1.39)§ | 1.34(1.45) | 1.10(1.13)§ |
| Realize you have no clear recollection of the road along which you have been travelling | 1.44(1.56) | 1.22(1.44)* | 1.46(1.61) | 0.91(1.14)* |
All the numbers are presented as Mean (SD);
*
significantly different from other three ethnic groups (p<0.05).
§
significant difference from Qatari and Indians (p<0.05).
‡
significant difference from Qatari and Jordanians (p<0.05).
¥
significantly different from Filipino and Indians (p<0.05).