| Value | Category | Cases | |
|---|---|---|---|
| 1 | Rarely (once or twice in the past four weeks) | 375 |
66.4%
|
| 2 | Sometimes (three to ten times in the past four weeks) | 159 |
28.1%
|
| 3 | Often (more than ten times in the past four weeks) | 31 |
5.5%
|
| Sysmiss | 2348 |