| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 4275 |
87.2%
|
| 1 | Often | 162 |
3.3%
|
| 2 | Sometimes | 385 |
7.9%
|
| 3 | Not at all | 72 |
1.5%
|
| 4 | Yes, widow/frequency missing | 7 |
0.1%
|
| 9 | 5 | ||
| Sysmiss | 3538 |