| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1-4 hours | 182 |
24.3%
|
| 2 | 5-8 hours | 312 |
41.7%
|
| 3 | 9-12 hours | 157 |
21%
|
| 4 | More than 12 hours | 46 |
6.1%
|
| 99 | N/R | 30 |
4%
|
| 888 | Don't know | 21 |
2.8%
|
| 999 | N/A | 0 |
0%
|
| Sysmiss | 451 |