From: Relationship between menstruation status and work conditions in Japan
| Number (%) |
Less than 11 h of interval time (n = 37) |
11 h and more interval time (n = 468) | p-valuesa |
|---|---|---|---|
| Abnormal menstrual cycle (24 >, >39 days / one cycle) | 13 (35%) | 95 (20%) | 0.034 |
| Decrease in work efficiency due to dysmenorrhoea symptoms | 22 (60%) | 240 (51%) | 0.338 |
| (Among the above subjects) pain relief medicine for these symptoms | 12 (55%) | 136 (57%) | 0.848 |
| See doctor for these symptoms | 2 (9%) | 64 (27%) | 0.065 |
| Anxiety about health | 22 (60%) | 181 (39%) | 0.013 |
| (Among the above subjects) about physical points | 15 (68%) | 117 (65%) | 0.742 |
| About mental points | 5 (23%) | 60 (33%) | 0.322 |
| About other things | 2 (9%) | 3 (2%) | 0.092 |
| Dissatisfaction with health | 15 (41%) | 109 (23%) | 0.019 |