| Value | Category | Cases | |
|---|---|---|---|
| 1 | Rarely (once or twice in the past four weeks) | 132 |
74.2%
|
| 2 | Sometimes (three to ten times in the past four weeks) | 41 |
23%
|
| 3 | Often (more than ten times in the past four weeks) | 5 |
2.8%
|
| Sysmiss | 2735 |