| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 1 day per week | 6 |
2.9%
|
| 2 | 1 day per week | 169 |
80.9%
|
| 3 | 2-3 days per week | 32 |
15.3%
|
| 4 | 4 days or more per week | 2 |
1%
|
| Sysmiss | 391 |