Value | Category | Cases | |
---|---|---|---|
-1 | Missing | 1 |
0.1%
|
0 | Never | 687 |
57.3%
|
1 | Once or twice | 13 |
1.1%
|
2 | Several times | 3 |
0.3%
|
3 | Many times | 0 |
0%
|
7 | Not applicable/Saw no problems | 491 |
40.9%
|
9 | Don't know | 5 |
0.4%
|
998 | Refused | 0 |
0%
|