Table 2.
Comparison of sexual activity during menstruation and reproductive and menstruation characteristics in case and control groups based on bivariate test
| Sexual activity during menstruation and reproductive and menstruation characteristics | Case n=185 | Control n=370 | P value |
|---|---|---|---|
| Vaginal sex activity | 0.002* | ||
| Yes | 30 (16.2) | 28 (7.6) | |
| No | 155 (83.8) | 342 (92.4) | |
| Sexual activity without vaginal penetration | 0.003* | ||
| Yes | 38 (20.5) | 41 (11.1) | |
| No | 147 (79.5) | 329 (88.9) | |
| Anal sex activity | 0.075† | ||
| Yes | 2 (1.1) | 15 (4.1) | |
| No | 183 (98.9) | 355 (95.9) | |
| Age at menarche | <0.001* | ||
| ≤ 12 | 54 (29.2) | 64 (17.3) | |
| >12 | 131 (70.8) | 306 (82.7) | |
| Cycle interval | 0.012* | ||
| ≤ 28 | 109 (58.9) 176 (47.6) | ||
| > 28 | 76 (41.1) | 194 (52.4) | |
| Cycle length | <0.001* | ||
| ≤ 7 | 136 (73.5) | 357 (96.5) | |
| > 7 | 49 (26.5) | 13 (3.5) | |
| Pregnancy number | <0.001* | ||
| 0/1 | 102 (55.1) | 80 (21.6) | |
| ≥ 2 | 83 (44.9) 290 (78.4) | ||
| OCP user | 0.303* | ||
| Yes | 75 (40.5) | 167 (45.1) | |
| IUD user | 0.017* | ||
| Yes | 42 (22.7) | 120 (32.4) | |
| Age at first pregnancy | 0.037* | ||
| ≤ 20 | 43 (30.1) | 146 (40.0) | |
| > 20 | 100 (69.9) | 219 (60.0) | |
| Dysmenorrhea | <0.001* | ||
| Yes | 136 (73.5) | 43 (11.6) | |
| Dyspareunia | <0.001* | ||
| Yes | 82 (44.3) | 7 (1.9) | |
| Recurrent vaginitis | <0.001* | ||
| Yes | 50 (27.0) | 18 (4.9) | |
*; Chi-squared test and †; Fisher’s exact test.