| Value | Category | Cases | |
|---|---|---|---|
| 1 | 5 or more days per week | 141 |
13.1%
|
| 2 | 1-3 days per week | 192 |
17.8%
|
| 3 | 1-3 days per month | 148 |
13.7%
|
| 4 | Less than once a month | 598 |
55.4%
|
| Sysmiss | 176 |