Value | Category | Cases | |
---|---|---|---|
-1 | Missing | 47 |
3.9%
|
0 | Never | 347 |
28.9%
|
1 | Once or twice | 15 |
1.3%
|
2 | Several times | 8 |
0.7%
|
3 | Many times | 1 |
0.1%
|
7 | Not applicable/Saw no problems | 696 |
58%
|
9 | Don't know | 86 |
7.2%
|
998 | Refused | 0 |
0%
|