| Value | Category |
|---|---|
| 1 | normal hours of work are less than 35 hours per week |
| 2 | because of working conditions |
| 3 | lack of job opportunity in the rest of days of the week |
| 4 | not interested to work in the rest of the days of the week |
| 5 | strike or lock-out6. |
| 6 | temporary absent from work |
| 9 | not stated |