| Value | Category | Cases | |
|---|---|---|---|
| 1 | 5 or more days per week | 41 |
4.1%
|
| 2 | 1-4 days per week | 235 |
23.2%
|
| 3 | 1-3 days per month | 246 |
24.3%
|
| 4 | Less than once a month | 489 |
48.4%
|
| Sysmiss | 1261 |