| Value | Category | Cases | |
|---|---|---|---|
| 1 | every day | 2345 |
70%
|
| 2 | every 2 days | 325 |
9.7%
|
| 5 | miss | 0 |
0%
|
| 6 | other | 71 |
2.1%
|
| 8 | dtk | 0 |
0%
|
| 9 | na | 610 |
18.2%
|
| Sysmiss | 747 |