| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 63 |
1.1%
|
| -8 | Refused | 85 |
1.5%
|
| -5 | Not applicable | 0 |
0%
|
| -3 | Missing | 0 |
0%
|
| 1 | Not at all | 3763 |
66.3%
|
| 2 | Several days | 947 |
16.7%
|
| 3 | More than half the days | 307 |
5.4%
|
| 4 | Nearly every day | 511 |
9%
|
| Sysmiss | 1375 |