Table 11 Demographic profile of sample (n = 504).

From: Elucidation of user autonomous driving system preference mechanisms under the extension of internal and external factors

Sample

Category

Number

Percentage (%)

Gender

Male

297

58.9

Female

207

41.1

Age

18–24

71

14.1

25–34

129

25.6

35–44

173

34.3

45–54

89

17.7

55–70

42

8.3

Occupation

Student

40

7.9

Freelance or self-employed

362

71.8

Public officials or public institutions

47

9.3

Others

55

10.9

Ratings using the autopilot system

Use multiple times a day

41

8.1

Use once a day

88

17.5

Use once a week

196

38.9

Use it once or twice a month

141

28

Use less than or equal to once a month

38

7.5