| Value | Category | Cases | |
|---|---|---|---|
| 1 | 5 or more days per week | 30 |
3.2%
|
| 2 | 1-4 days per week | 118 |
12.4%
|
| 3 | 1-3 days per month | 292 |
30.7%
|
| 4 | Less than once a month | 510 |
53.7%
|
| Sysmiss | 1883 |