| Value | Category | Cases | |
|---|---|---|---|
| -888 | Other: specify | 0 |
0%
|
| 1 | Daily | 1 |
1.4%
|
| 2 | Once a week | 0 |
0%
|
| 3 | Twice a month | 1 |
1.4%
|
| 4 | Monthly | 26 |
37.1%
|
| 5 | As necessary | 37 |
52.9%
|
| 6 | Not available | 5 |
7.1%
|
| Sysmiss | 61 |