| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 420 |
35%
|
| 1 | Rarely | 360 |
30%
|
| 2 | Often | 261 |
21.8%
|
| 3 | Always | 111 |
9.3%
|
| 9 | Don't know | 48 |
4%
|
| 998 | Refused | 0 |
0%
|