| Value | Category |
|---|---|
| 1 | Illness or injury |
| 2 | Strike or stay-away |
| 3 | Bad weather |
| 4 | Problems with transport |
| 5 | Vacation, leave |
| 6 | Study or training leave |
| 7 | Maternity or paternity leave |
| 8 | Off-season activity |
| 9 | Unrest (violence) |
| 10 | Reduction in economic activity |
| 11 | Other reason |