| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 11 |
0.9%
|
| 0 | Never | 120 |
10%
|
| 1 | Rarely | 132 |
11%
|
| 2 | Often | 543 |
45.3%
|
| 3 | Always | 242 |
20.2%
|
| 9 | Don't know | 152 |
12.7%
|
| 998 | Refused | 0 |
0%
|