| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 175 |
7.3%
|
| 1 | Once or twice | 191 |
8%
|
| 2 | A few times | 335 |
14%
|
| 3 | Often | 812 |
33.8%
|
| 7 | Not applicable | 886 |
36.9%
|
| 8 | Refuse to answer | 0 |
0%
|
| 9 | Don't know | 1 |
0%
|