| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 1 hour | 1373 |
83.7%
|
| 2 | Between 1 -23 hours | 198 |
12.1%
|
| 3 | 24 hours or more | 51 |
3.1%
|
| 4 | Don't remember | 19 |
1.2%
|
| Sysmiss | 49 |