| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 46 |
12.8%
|
| 2 | Every few weeks | 83 |
23.1%
|
| 3 | Every few months | 120 |
33.4%
|
| 4 | Not at all | 56 |
15.6%
|
| Sysmiss | 54 |
15%
|