| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 1080 |
86.4%
|
| 1 | Often | 46 |
3.7%
|
| 2 | Sometimes | 110 |
8.8%
|
| 3 | Not at all | 13 |
1%
|
| 4 | Yes, widow/frequency missing | 1 |
0.1%
|
| 9 | 1 | ||
| Sysmiss | 180 |