Table 1.
Demographic and baseline characteristics of women included in the study
| Baseline characteristics | n=954 |
|---|---|
| Age, years | 33.4±5.9 |
| Age group, n (%) | |
| 18–35 years | 624 (65.4) |
| 36–50 years | 330 (34.6) |
| Weight, kg | 56.55±8.04 |
| Height, cm | 160.40±4.88 |
| BMI, kg/m2 | 21.91±2.86 |
| Country/region, n (%) | |
| China | 686 (71.9) |
| Hong Kong | 36 (3.8) |
| India | 16 (1.7) |
| Thailand | 92 (9.6) |
| Taiwan | 124 (13.0) |
| Smoking history, n (%) | |
| Never | 929 (97.4) |
| Former | 6 (0.6) |
| Current | 19 (2.0) |
| Alcohol use, n (%) | |
| Abstinent | 853 (89.4) |
| Light | 99 (10.4) |
| Moderate | 2 (0.2) |
| Medical history, n (%) | |
| Surgical and medical procedures | 376 (39.4) |
| Reproductive system and breast disorders | 120 (12.6) |
| Pregnancy, puerperium, and perinatal conditions | 113 (11.8) |
| Infections and infestations | 85 (8.9) |
| Neoplasms benign, malignant and unspecified (incl. cysts and polyps) | 52 (5.5) |
| Gastrointestinal disorders | 30 (3.1) |
| Immune system disorders | 29 (3.0) |
| Others | 149 (15.7) |
| Gynecological history | |
| Age at menarche, years | 13.4±1.5 |
| Average duration of menstrual bleeding, days | 5.3±1.4 |
| Average length of cycle, days | 29.4±2.9 |
| Number of abortions | 1.2±1.5 |
| Amenorrhea during last 6 months, n (%) | 5 (0.5) |
| Intracyclic bleeding during last 6 months, n (%) | 18 (1.9) |
| Dysmenorrhea during last 6 months, n (%) | 155 (16.2) |
| Prior/concomitant therapy, n (%) | |
| Genitourinary system and sex hormones | 225 (23.6) |
| Alimentary tract and metabolism | 44 (4.6) |
| Anti-infectives for systemic use | 44 (4.6) |
| Dermatological | 35 (3.7) |
| Respiratory system | 28 (2.9) |
| Sensory organs | 27 (2.8) |
| Nervous system | 26 (2.7) |
| Others | 528 (55.1) |
Notes: All values are presented as mean±SD unless otherwise stated.
Abbreviations: BMI, body mass index; incl., including.