The vast majority of the participants were male (82.5%). Age and years of tractor driving experience are shown in Table 1. About 40% of the participants were under 20 years of age, with 22% being 12 to 14 years and 18.3% being 15 to 19 years. At the same time, 29.3% were at least 50 years old. The percentage of respondents with at least 11 years of tractor driving experience was 53.1%, with the bulk (42%) of participants having 21 or more years of experience. On the other hand, 20.9% had relatively little experience, 2 years or less of experience (less than 1 year: 12.3%; 1 to 2 years: 8.6%).