| Value | Category | Cases | |
|---|---|---|---|
| 1 | Within the last 2 weeks | 379 |
22.3%
|
| 2 | 2 weeks-less than 1 month ago | 248 |
14.6%
|
| 3 | 1 month-3 months ago | 367 |
21.6%
|
| 4 | More than 3 months ago | 351 |
20.6%
|
| 5 | Never was sick | 356 |
20.9%
|
| Sysmiss | 2237 |