Value | Category | Cases | |
---|---|---|---|
-1 | Missing | 2 |
0.2%
|
0 | Not at all effective | 86 |
7.2%
|
1 | Not very effective | 238 |
19.8%
|
2 | Somewhat effective | 331 |
27.6%
|
3 | Very effective | 431 |
35.9%
|
9 | Don't know | 111 |
9.3%
|
98 | Refused | 0 |
0%
|