| Value | Category | Cases | |
|---|---|---|---|
| -888 | Other: specify | 3 |
2.4%
|
| 1 | Daily | 11 |
8.9%
|
| 2 | Once a week | 33 |
26.6%
|
| 3 | Twice a month | 24 |
19.4%
|
| 4 | Monthly | 34 |
27.4%
|
| 5 | As necessary | 19 |
15.3%
|
| Sysmiss | 7 |