Value | Category | Cases | |
---|---|---|---|
-1 | Missing | 6 |
0.5%
|
0 | Not at all effective | 61 |
5.1%
|
1 | Not very effective | 176 |
14.7%
|
2 | Somewhat effective | 414 |
34.5%
|
3 | Very effective | 472 |
39.3%
|
9 | Don't know | 71 |
5.9%
|
98 | Refused | 0 |
0%
|