Table 1 Subjects’ demographic information
| Variable | Mean(SD) | Number | Percent |
|---|---|---|---|
| Age (yrs.) | 45.1 (11.1) | ||
| Education | |||
| Elementary school | 41 | 22.7 | |
| Junior school | 47 | 26.1 | |
| High school | 23 | 12.8 | |
| Diploma | 55 | 30.6 | |
| University degree | 14 | 7.8 | |
| Driving experience (yrs.) | 18.7 (10.8) | ||
| Riding passengers experience (yrs.) | 10.3 (7.5) | ||
| Fines for violation | |||
| Yes | 30.6 | 55 | |
| No | 69.4 | 125 | |
| Experience of accident (at work) | |||
| Yes | 22.2 | 40 | |
| No | 77.8 | 140 | |
