| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 302 |
14.3%
|
| 1 | Rarely (once or twice in the past 30 days) | 927 |
44%
|
| 2 | Sometimes (three to ten times in the past 30 days) | 597 |
28.3%
|
| 3 | Often (more than ten times in the past 30 days) | 214 |
10.1%
|
| 4 | Always (every day) | 69 |
3.3%
|
| Sysmiss | 5 |