Value | Category | Cases | |
---|---|---|---|
-9 | NIU (not in universe) | 104 |
4.5%
|
1 | safe for long use, break unnecessary | 534 |
23.1%
|
2 | unsafe for long use, take a break | 1645 |
71.2%
|
98 | don't know | 26 |
1.1%
|
9999995 | missing:impute | 0 |
0%
|
Sysmiss | 474 |