| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 8 |
0.7%
|
| 0 | Never | 281 |
23.4%
|
| 1 | Occasionally | 457 |
38.1%
|
| 2 | Frequently | 434 |
36.2%
|
| 9 | Don't know | 20 |
1.7%
|
| 998 | Refused | 0 |
0%
|