| Value | Category | Cases | |
|---|---|---|---|
| -888 | Other specify | 0 |
0%
|
| 1 | Daily | 0 |
0%
|
| 2 | Once a week | 7 |
9.6%
|
| 3 | Twice a month | 3 |
4.1%
|
| 4 | Monthly | 36 |
49.3%
|
| 5 | As necessary | 27 |
37%
|
| Sysmiss | 48 |