Table 3.
Menstrual cycle characteristics of under study workers
| Variables | Day time workers (N=293) | Shift workers (N=113) | P-value |
|---|---|---|---|
| Length of cycle (day) (Mean± SD) | 25.63±3.20 | 27.73±5.37 | 0.001 |
| Duration of bleeding (day) (Mean± SD) | 4.86±1.07 | 5.12±0.87 | 0.024 |
| Amount of flow (number of used tampons) (Mean± SD) | 3.47±1.28 | 3.97±1.71 | 0.001 |
| Dysmenorrhea (yes) N (%) | 130 (44.3) | 75 (66.3) | 0.001 |
| Amount of flow (number of used tampons) 4≤ | 112 (38.2) | 69 (61.0) | 0.001 |
| Short menstrual cycle (21 days>) yes N (%) | 6 (2.0) | 10 (8.8) | 0.003 |
| Long menstrual cycle (35 days<) yes N (%) | 15 (5.1) | 18 (15.9) | 0.001 |
| Irregular menstrual cycle Yes N (%) | 21 (7.1) | 22 (19.4) | 0.031 |
| Bleeding during menstrual cycle Yes N (%) | 5 (1.7) | 9(7.9) | 0.014 |
| Menstrual disorder Yes N (%) | 27 (9.2) | 32 (28.3) | 0.001 |