| Value | Category | Cases | |
|---|---|---|---|
| 1 | daily | 0 |
0%
|
| 2 | several days/week | 1 |
11.1%
|
| 3 | once/week | 1 |
11.1%
|
| 4 | once/month | 4 |
44.4%
|
| 5 | occasionally | 3 |
33.3%
|
| Sysmiss | 4656 |