Value | Category | Cases | |
---|---|---|---|
-9 | NIU (not in universe) | 149 |
5.3%
|
1 | safe for long use, break unnecessary | 891 |
31.6%
|
2 | unsafe for long use, take a break | 1740 |
61.7%
|
98 | don't know | 42 |
1.5%
|
9999995 | missing:impute | 0 |
0%
|