| Value | Category | Cases | |
|---|---|---|---|
| 1 | To guide for Diary | 12672 |
0.8%
|
| 2 | Checked the diary | 11952 |
0.7%
|
| 3 | Completed the individual questionnaire and diary | 1569312 |
98.1%
|
| 4 | Uncompleted the individual questionnaire and diary | 5472 |
0.3%
|
| Sysmiss | 690336 |