| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1410 |
44.9%
|
| 2 | Few hours or less | 581 |
18.5%
|
| 3 | Few hours to 1 day | 362 |
11.5%
|
| 4 | 1 day to 2 days | 388 |
12.4%
|
| 5 | 3 to 6 days | 131 |
4.2%
|
| 6 | 1 week | 60 |
1.9%
|
| 7 | More than one week | 142 |
4.5%
|
| 8 | Cannot remember | 63 |
2%
|
| Sysmiss | 27 |