| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 3157 |
91.1%
|
| 1 | Often | 14 |
0.4%
|
| 2 | Sometimes | 206 |
5.9%
|
| 3 | Yes, but not in the last 12 months | 89 |
2.6%
|
| 4 | Yes, but widow/frequency missing | 0 |
0%
|
| 9 | 10 | ||
| Sysmiss | 10314 |