| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 1 day per week | 13 |
7.2%
|
| 2 | 1 day per week | 29 |
16.1%
|
| 3 | 2-3 days per week | 109 |
60.6%
|
| 4 | 4 days or more per week | 29 |
16.1%
|
| Sysmiss | 1455 |