Value | Category | Cases | |
---|---|---|---|
-1 | Missing | 0 |
0%
|
1 | Much more effective | 446 |
37.2%
|
2 | Somewhat more effective | 121 |
10.1%
|
3 | About the same effectiveness | 292 |
24.3%
|
4 | Somewhat less effective | 92 |
7.7%
|
5 | Much less effective | 147 |
12.3%
|
7 | Not applicable | 92 |
7.7%
|
8 | Refused | 1 |
0.1%
|
9 | Don't know | 9 |
0.8%
|
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