Value | Category | Cases | |
---|---|---|---|
-1 | Missing | 1 |
0%
|
0 | Not at all effective | 131 |
5.4%
|
1 | Not very effective | 300 |
12.5%
|
2 | Somewhat effective | 556 |
23.1%
|
3 | Very effective | 1254 |
52.1%
|
9 | Don't know | 165 |
6.9%
|
998 | Refused | 0 |
0%
|