| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 3348 |
68.3%
|
| 1 | Often | 245 |
5%
|
| 2 | Sometimes | 990 |
20.2%
|
| 3 | Not at all | 304 |
6.2%
|
| 4 | Yes, widow/frequency missing | 14 |
0.3%
|
| 9 | 5 | ||
| Sysmiss | 3538 |