Value | Category | Cases | |
---|---|---|---|
-1 | Missing | 2 |
0.1%
|
0 | Not at all effective | 52 |
2.2%
|
1 | Not very effective | 216 |
9%
|
2 | Somewhat effective | 846 |
35.3%
|
3 | Very effective | 1133 |
47.2%
|
9 | Don't know | 151 |
6.3%
|