Study parameter | Variables | Frequency (n) | Percentage (%) |
Job category | Technician | 75 | 37.5 |
Non-technical staff | 59 | 29.5 | |
Mechanic | 38 | 19 | |
Engineer | 15 | 7.5 | |
Technical Staff | 13 | 6.5 | |
Work experience (years) | 0 - 2 | 60 | 30.2 |
3 - 4 | 54 | 27.1 | |
5 - 6 | 47 | 23.6 | |
7 - 8 | 23 | 11.6 | |
9 - 10 | 4 | 2.0 | |
More than 10 | 11 | 5.5 | |
Missing data | 1 | - | |
Working hours per week | Up to 40 hours | 87 | 43.7 |
40 to 60 hours | 86 | 43.2 | |
60 to 80 hours | 11 | 5.5 | |
More than 80 hours | 15 | 7.5 | |
Missing data | 1 | - | |
On-the-job training | Yes | 172 | 87.8 |
No | 24 | 12.2 | |
Missing data | 3 | - |