| Value | Category | Cases | |
|---|---|---|---|
| 1 | Within the last 2 weeks | 553 |
30.1%
|
| 2 | 2 weeks-less than 1 month ago | 270 |
14.7%
|
| 3 | 1 month-3 months ago | 353 |
19.2%
|
| 4 | More than 3 months ago | 351 |
19.1%
|
| 5 | Never was sick | 311 |
16.9%
|
| Sysmiss | 2579 |