| Value | Category | Cases | |
|---|---|---|---|
| 1 | daily | 1 |
50%
|
| 2 | several days/week | 0 |
0%
|
| 3 | once/week | 0 |
0%
|
| 4 | once/month | 0 |
0%
|
| 5 | occasionally | 1 |
50%
|
| Sysmiss | 4663 |