| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 1 |
0.1%
|
| 0 | Never | 8 |
0.7%
|
| 1 | Rarely | 28 |
2.3%
|
| 2 | Often | 246 |
20.5%
|
| 3 | Always | 904 |
75.5%
|
| 9 | Don't know | 11 |
0.9%
|
| 998 | Refused | 0 |
0%
|