| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1 | calendar | 103 |
35.9%
|
| 2 | body temperature | 3 |
1%
|
| 3 | cervical mucus | 16 |
5.6%
|
| 4 | body temp. & mucus | 1 |
0.3%
|
| 5 | no specific system | 157 |
54.7%
|
| 6 | other | 7 |
2.4%
|
| Sysmiss | 6158 |