| Value | Category | Cases | |
|---|---|---|---|
| 1 | Once a week or more | 163 |
17%
|
| 2 | Once every two weeks | 86 |
9%
|
| 3 | Once a month | 210 |
21.9%
|
| 4 | Never or almost never | 499 |
52.1%
|
| Sysmiss | 42 |