| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 80 |
4%
|
| 2 | Twice a day | 36 |
1.8%
|
| 3 | Every day | 113 |
5.6%
|
| 4 | 2-4times per week | 463 |
22.9%
|
| 5 | Once a week | 1260 |
62.3%
|
| 6 | Less than once a week | 16 |
0.8%
|
| 98 | Other | 56 |
2.8%
|
| Sysmiss | 1303 |