| Value | Category | Cases | |
|---|---|---|---|
| 1 | A few days | 2 |
5.6%
|
| 2 | A few weeks | 7 |
19.4%
|
| 3 | Months | 17 |
47.2%
|
| 4 | Years | 6 |
16.7%
|
| 5 | Was not sick | 4 |
11.1%
|
| Sysmiss | 797 |