| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 155 |
13%
|
| 1 | Rarely | 225 |
18.9%
|
| 2 | Often | 541 |
45.5%
|
| 3 | Always | 245 |
20.6%
|
| 9 | Don't know | 24 |
2%
|
| 998 | Refused | 0 |
0%
|