Value | Category | Cases | |
---|---|---|---|
-1 | Missing | 0 |
0%
|
1 | Much more effective | 250 |
20.8%
|
2 | Somewhat more effective | 280 |
23.3%
|
3 | About the same effectiveness | 317 |
26.4%
|
4 | Somewhat less effective | 214 |
17.8%
|
5 | Much less effective | 93 |
7.8%
|
7 | Not applicable | 0 |
0%
|
8 | Refused | 10 |
0.8%
|
9 | Don't know | 21 |
1.8%
|
97 | Not applicable (COV1=0, 8 or 9) | 15 |
1.3%
|