| Value | Category | Cases | |
|---|---|---|---|
| 1 | Give instruction for filling diary | 51 |
0%
|
| 2 | Review filled diary | 540 |
0.2%
|
| 3 | Collect completely filled diary | 294783 |
98.9%
|
| 4 | Collect incompletely filled diary | 2577 |
0.9%
|
| Sysmiss | 140085 |