| Value | Category | Cases | |
|---|---|---|---|
| 1 | Rarely (once or twice in the past four weeks) | 353 |
70.6%
|
| 2 | Sometimes (three to ten times in the past four weeks) | 118 |
23.6%
|
| 3 | Often (more than ten times in the past four weeks) | 29 |
5.8%
|
| Sysmiss | 2413 |