| Value | Category | Cases | |
|---|---|---|---|
| -999 | Don't know | 0 |
0%
|
| -888 | Not available | 1 |
0%
|
| 1 | Rarely (1 – 2 days) | 1313 |
39.8%
|
| 2 | Sometimes (3 – 10 days) | 1615 |
48.9%
|
| 3 | Often (More than 10 days) | 374 |
11.3%
|
| Sysmiss | 2676 |