| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes - often (more than ten times in the last 30 days) | 311 |
20.7%
|
| 2 | Yes - sometimes (three to ten times in the last 30 days) | 294 |
19.6%
|
| 3 | Yes - seldom (once or twice in the last 30 days) | 96 |
6.4%
|
| 4 | No | 799 |
53.3%
|