| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0.1%
|
| 0 | Never | 88 |
5.5%
|
| 1 | Rarely | 439 |
27.5%
|
| 2 | Often | 560 |
35%
|
| 3 | Always | 437 |
27.3%
|
| 8 | Refused | 1 |
0.1%
|
| 9 | Don’t know | 73 |
4.6%
|