| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Not at all effective | 140 |
11.8%
|
| 1 | Not effective | 248 |
21%
|
| 2 | Somewhat effective | 450 |
38.1%
|
| 3 | Very effective | 238 |
20.1%
|
| 9 | Don't know/have not heard enough | 106 |
9%
|
| 98 | Refused | 0 |
0%
|