| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 0 |
0%
|
| 1 | Never | 1288 |
53.4%
|
| 2 | Once or twice | 290 |
12%
|
| 3 | A few times | 230 |
9.5%
|
| 4 | Often | 151 |
6.3%
|
| 9 | Don't know | 451 |
18.7%
|
| 999 | Refused | 0 |
0%
|