| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 255 |
10.6%
|
| 1 | Rarely | 577 |
24%
|
| 2 | Often | 994 |
41.4%
|
| 3 | Always | 544 |
22.7%
|
| 9 | Don't know | 30 |
1.3%
|
| 998 | Refused | 0 |
0%
|