| Value | Category | Cases | |
|---|---|---|---|
| -888 | Other: specify | 0 |
0%
|
| 1 | Daily | 8 |
6.7%
|
| 2 | Once a week | 15 |
12.6%
|
| 3 | Twice a month | 21 |
17.6%
|
| 4 | Monthly | 53 |
44.5%
|
| 5 | As necessary | 22 |
18.5%
|
| Sysmiss | 12 |