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Sample characteristics (n = 148).
| Variables | n | % |
|---|---|---|
| Schooling | ||
| High school | 70 | 47.3 |
| Graduate | 69 | 46.7 |
| missing cases | 9 | |
| Type of contract | ||
| Long term | 130 | 87.8 |
| Fixed term | 15 | 10.1 |
| missing cases | 3 | |
| Time | ||
| Full time | 144 | 97.3 |
| Part-time | 2 | 1.4 |
| missing cases | 2 | |
| Job shift | ||
| Daily | 52 | 35.1 |
| Day/Night | 54 | 36.5 |
| No shift | 37 | 25.0 |
| missing cases | 5 |
