Table 1.

Demographic Characteristics for Three Groups.

Characteristics	Low TWD	Middle TWD	High TWD
Gender
Male	8	15	14
Female	22	15	16
Age in years	19.5 (4.3)	19.9 (3.3)	19.8 (2.2)
Years of higher education	1.5 (1.0)	1.7 (1.0)	1.9 (1.3)
Years driving	3.1 (4.0)	3.7 (3.0)	3.8 (2.1)
Days of TWD***	0.1 (0.3)	2.9 (1.8)	12.4 (5.4)
Frequency of TWD***	1.9 (1.0)	2.7 (1.2)	4.2 (1.2)
Danger of TWD	6.8 (0.5)	6.4 (0.7)	6.2 (1.0)

Note. Values are means (and standard deviations) except for Gender.

TWD = Texting While Driving.

^***p < 0.001.