| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily or almost daily | 19 |
3.1%
|
| 2 | Weekly | 32 |
5.2%
|
| 3 | Monthly | 19 |
3.1%
|
| 4 | Less than monthly | 65 |
10.6%
|
| 5 | Never | 481 |
78.1%
|
| Sysmiss | 771 |