| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 219 |
18.3%
|
| 1 | Once or twice | 127 |
10.6%
|
| 2 | A few times | 157 |
13.1%
|
| 3 | Often | 304 |
25.3%
|
| 7 | Not applicable | 393 |
32.8%
|
| 8 | Refuse to answer | 0 |
0%
|
| 9 | Don't know | 0 |
0%
|