| Value | Category | Cases | |
|---|---|---|---|
| 1 | daily | 86 |
15.3%
|
| 2 | less than daily | 258 |
45.9%
|
| 3 | not at all | 215 |
38.3%
|
| 88 | refused | 3 |
0.5%
|
| Sysmiss | 3246 |