Table 6.
Behavior that limits concentration by demographic characteristics of participants (questions were structured as “how many times in the past three months have you …”).
| Behavior that Limits Concentration on Driving | Sex | Age | Educational Level | Social Class | Area of Residence | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Male | Female | p-Value | 17–34 | 35–54 | 55–74 | 75+ | p-Value | Up to secondary | Higher | p-Value | Upper | Middle to upper | Middle to lower | Lower | p-Value | Urban | Town | Rural | p-Value | |
| Reacting to other drivers’ irritating behavior | 0.34 | <0.001 | 0.07 | 0.03 | 0.64 | |||||||||||||||
| At least once | 95% | 96% | 99% | 97% | 94% | 80% | 95% | 97% | 97% | 97% | 95% | 91% | 95% | 96% | 94% | |||||
| Never | 5% | 4% | 1% | 3% | 6% | 20% | 5% | 3% | 3% | 3% | 5% | 9% | 5% | 4% | 6% | |||||
| Cell phone calls | 0.05 | <0.001 | 0.004 | 0.001 | 0.47 | |||||||||||||||
| At least once | 51% | 46% | 49% | 59% | 43% | 11% | 45% | 55% | 50% | 49% | 54% | 35% | 50% | 51% | 43% | |||||
| Never | 48% | 54% | 51% | 41% | 56% | 89% | 55% | 45% | 50% | 51% | 45% | 65% | 50% | 49% | 57% | |||||
| Smoking | 0.13 | 0.0005 | 0.15 | 0.02 | 0.06 | |||||||||||||||
| At least once | 20% | 19% | 16% | 26% | 17% | 4% | 21% | 18% | 13% | 19% | 20% | 29% | 22% | 21% | 11% | |||||
| Never | 78% | 81% | 83% | 73% | 83% | 95% | 78% | 82% | 87% | 81% | 79% | 71% | 78% | 78% | 88% | |||||
| DK/NA* | 1% | 2% | 1% | 1% | 1% | 1% | 1% | 2% | ||||||||||||
| Setting GPS | 0.35 | <0.001 | 0.0009 | 0.18 | 0.03 | |||||||||||||||
| At least once | 18% | 18% | 33% | 20% | 7% | 1% | 15% | 22% | 17% | 21% | 19% | 13% | 20% | 18% | 9% | |||||
| Never | 81% | 82% | 66% | 80% | 91% | 95% | 83% | 78% | 83% | 79% | 80% | 85% | 79% | 82% | 88% | |||||
| DK/NA * | 1% | 1% | 2% | 4% | 1% | 1% | 2% | 1% | 1% | 3% | ||||||||||
| Drink driving | <0.001 | 0.08 | 0.33 | 0.79 | 0.39 | |||||||||||||||
| At least once | 20% | 5% | 17% | 12% | 15% | 3% | 13% | 13% | 12% | 13% | 15% | 11% | 14% | 11% | 11% | |||||
| Never | 80% | 95% | 83% | 88% | 85% | 97% | 87% | 87% | 87% | 86% | 85% | 89% | 86% | 89% | 88% | |||||
| Texting | 0.25 | <0.001 | 0.0002 | 0.02 | 0.01 | |||||||||||||||
| At least once | 9% | 11% | 23% | 10% | 2% | 7% | 14% | 7% | 7% | 14% | 7% | 11% | 8% | 5% | ||||||
| Never | 90% | 89% | 76% | 90% | 97% | 98% | 92% | 85% | 93% | 93% | 85% | 92% | 88% | 91% | 93% | |||||
| DK/NA * | 1% | 1% | 1% | 2% | 1% | 1% | 1% | 1% | 2% | |||||||||||
* DK/NA: Do not know / no answer, p-values presented derive from Chi-squared tests.