| Value | Category | Cases | |
|---|---|---|---|
| -999 | Refused | 0 |
0%
|
| -888 | Don't know | 0 |
0%
|
| 1 | Yes, always | 119 |
17%
|
| 2 | Yes, sometimes | 497 |
71%
|
| 3 | Never | 84 |
12%
|
| Sysmiss | 103 |