| Value | Category | Cases | |
|---|---|---|---|
| 1 | during her period | 751 |
5%
|
| 2 | after period ended | 5806 |
38.9%
|
| 3 | middle of the cycle | 1647 |
11%
|
| 4 | before period begins | 1310 |
8.8%
|
| 5 | at any time | 2398 |
16.1%
|
| 6 | other | 43 |
0.3%
|
| 8 | don't know | 2961 |
19.9%
|
| Sysmiss | 30 |