| Value | Category | Cases | |
|---|---|---|---|
| 0 | After labor started | 34 |
59.6%
|
| 1 | Before labor started | 4 |
7%
|
| 2 | 1 |
1.8%
|
|
| 9 | No response | 18 |
31.6%
|
| Sysmiss | 161 |