Value | Category | Cases | |
---|---|---|---|
-9 | NIU (not in universe) | 124 |
5.4%
|
1 | safe for long use, break unnecessary | 596 |
25.7%
|
2 | unsafe for long use, take a break | 1546 |
66.8%
|
98 | don't know | 50 |
2.2%
|
9999995 | missing:impute | 0 |
0%
|
Sysmiss | 467 |