| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 1 day per week | 3 |
4.3%
|
| 2 | 1 day per week | 11 |
15.9%
|
| 3 | 2-3 days per week | 48 |
69.6%
|
| 4 | 4 days or more per week | 7 |
10.1%
|
| Sysmiss | 1559 |