| Value | Category | Cases | |
|---|---|---|---|
| 1 | Within one week | 290 |
62.4%
|
| 2 | Within two weeks | 47 |
10.1%
|
| 3 | within one month | 47 |
10.1%
|
| 4 | more than one month | 29 |
6.2%
|
| 5 | no response | 52 |
11.2%
|
| Sysmiss | 126 |