| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 1064 |
85.1%
|
| 1 | Often | 47 |
3.8%
|
| 2 | Sometimes | 123 |
9.8%
|
| 3 | Not at all | 15 |
1.2%
|
| 4 | Yes, widow/frequency missing | 2 |
0.2%
|
| Sysmiss | 180 |