| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily or almost daily | 25 |
4.1%
|
| 2 | Weekly | 48 |
7.8%
|
| 3 | Monthly | 48 |
7.8%
|
| 4 | Less than monthly | 164 |
26.6%
|
| 5 | Never | 331 |
53.7%
|
| Sysmiss | 771 |