| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | 444 |
39%
|
|
| 1 | 24 |
2.1%
|
|
| 2 | 4 |
0.4%
|
|
| 3 | 3 |
0.3%
|
|
| 10 | 2 |
0.2%
|
|
| 995 | within last 4 weeks | 0 |
0%
|
| 996 | before last birth | 375 |
33%
|
| 997 | inconsistent | 285 |
25%
|
| 998 | don't know | 1 |
0.1%
|
| Sysmiss | 8 |