| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 6 |
2.3%
|
| -7 | Does not apply (spontaneous) | 100 |
38.5%
|
| 0 | Less than one day | 100 |
38.5%
|
| 1 | 12 |
4.6%
|
|
| 2 | 13 |
5%
|
|
| 3 | 7 |
2.7%
|
|
| 4 | 2 |
0.8%
|
|
| 5 | 5 |
1.9%
|
|
| 6 | 1 |
0.4%
|
|
| 7 | 3 |
1.2%
|
|
| 8 | 1 |
0.4%
|
|
| 10 | 2 |
0.8%
|
|
| 14 | 1 |
0.4%
|
|
| 21 | 1 |
0.4%
|
|
| 30 | 4 |
1.5%
|
|
| 45 | 1 |
0.4%
|
|
| 60 | 1 |
0.4%
|
|
| Sysmiss | 590 |