| Value | Category | Cases | |
|---|---|---|---|
| 1 | Months | 34 |
50%
|
| 2 | Weeks | 9 |
13.2%
|
| 3 | Days | 8 |
11.8%
|
| 4 | Less than 1 day (24 hours) | 1 |
1.5%
|
| 7 | Don't Know | 14 |
20.6%
|
| 9 | Refused | 2 |
2.9%
|
| Sysmiss | 16894 |