Table 1 Background characteristics of the study participants
Group | Number of participants | Age range | Gender | Education | Length of use |
|---|---|---|---|---|---|
Drivers | 9 | 18–30 | Male (15) | Ranged from no schooling to high school graduate | 1–7 years |
6 | 31–43 | ||||
Assistants | 3 | 18–25 | Male (5) Female (3) | Ranged from no schooling to high school graduate | 1–7 years |
3 | 26–30 | ||||
2 | 31–32 |