Value | Category | Cases | |
---|---|---|---|
-1 | Missing | 0 |
0%
|
1 | Much more effective | 509 |
31.8%
|
2 | Somewhat more effective | 198 |
12.4%
|
3 | About the same effectiveness | 327 |
20.4%
|
4 | Somewhat less effective | 167 |
10.4%
|
5 | Much less effective | 177 |
11.1%
|
7 | Not applicable | 150 |
9.4%
|
8 | Refused | 4 |
0.3%
|
9 | Don't know | 68 |
4.3%
|