| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Not at all effective | 49 |
2%
|
| 1 | Ineffective | 84 |
3.5%
|
| 2 | Somewhat effective | 907 |
37.8%
|
| 3 | Very effective | 502 |
20.9%
|
| 7 | Not Applicable | 753 |
31.4%
|
| 8 | Refused | 2 |
0.1%
|
| 9 | Don’t know | 103 |
4.3%
|