Value | Category | Cases | |
---|---|---|---|
-1 | Missing | 31 |
1.3%
|
0 | Not at all effective | 97 |
4%
|
1 | Not very effective | 278 |
11.6%
|
2 | Somewhat effective | 891 |
37.1%
|
3 | Very effective | 885 |
36.9%
|
9 | Don't know | 218 |
9.1%
|
98 | Refused | 0 |
0%
|